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100045960 = 23571033469
BaseRepresentation
bin1011111011010…
…01010010001000
320222020212020221
411331221102020
5201102432320
613532155424
72323243120
oct575512210
9228225227
10100045960
1151523013
1229608b74
131795b6c1
14d403c80
158bb33aa
hex5f69488

100045960 has 64 divisors (see below), whose sum is σ = 259833600. Its totient is φ = 33958656.

The previous prime is 100045951. The next prime is 100045973. The reversal of 100045960 is 69540001.

It is a super-2 number, since 2×1000459602 = 20018388224643200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 27106 + ... + 30574.

It is an arithmetic number, because the mean of its divisors is an integer number (4059900).

Almost surely, 2100045960 is an apocalyptic number.

100045960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100045960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129916800).

100045960 is an abundant number, since it is smaller than the sum of its proper divisors (159787640).

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

100045960 is a wasteful number, since it uses less digits than its factorization.

100045960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590 (or 3586 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 100045960 is about 10002.2977360205. The cubic root of 100045960 is about 464.2299816111.

Adding to 100045960 its reverse (69540001), we get a palindrome (169585961).

The spelling of 100045960 in words is "one hundred million, forty-five thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 103 140 206 280 412 515 721 824 1030 1442 2060 2884 3469 3605 4120 5768 6938 7210 13876 14420 17345 24283 27752 28840 34690 48566 69380 97132 121415 138760 194264 242830 357307 485660 714614 971320 1429228 1786535 2501149 2858456 3573070 5002298 7146140 10004596 12505745 14292280 20009192 25011490 50022980 100045960