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76863948 = 22372373533
BaseRepresentation
bin1001001010011…
…01100111001100
312100122002111220
410211031213030
5124134121243
611343243340
71622222100
oct445154714
9170562456
1076863948
113a42a027
12218a9550
1312c02b35
14a2cb900
156b34783
hex494d9cc

76863948 has 72 divisors (see below), whose sum is σ = 214330032. Its totient is φ = 21361536.

The previous prime is 76863937. The next prime is 76863959. The reversal of 76863948 is 84936867.

It is an interprime number because it is at equal distance from previous prime (76863937) and next prime (76863959).

It is a self number, because there is not a number n which added to its sum of digits gives 76863948.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19990 + ... + 23522.

It is an arithmetic number, because the mean of its divisors is an integer number (2976806).

Almost surely, 276863948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76863948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107165016).

76863948 is an abundant number, since it is smaller than the sum of its proper divisors (137466084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76863948 is a wasteful number, since it uses less digits than its factorization.

76863948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591 (or 3582 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 76863948 is about 8767.2086777948. The cubic root of 76863948 is about 425.1813721833.

It can be divided in two parts, 768 and 63948, that multiplied together give a square (49112064 = 70082).

The spelling of 76863948 in words is "seventy-six million, eight hundred sixty-three thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 49 74 84 98 111 147 148 196 222 259 294 444 518 588 777 1036 1554 1813 3108 3533 3626 5439 7066 7252 10599 10878 14132 21198 21756 24731 42396 49462 74193 98924 130721 148386 173117 261442 296772 346234 392163 519351 522884 692468 784326 915047 1038702 1568652 1830094 2077404 2745141 3660188 5490282 6405329 10980564 12810658 19215987 25621316 38431974 76863948