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29309056 = 27724673
BaseRepresentation
bin110111111001…
…1100010000000
32001011001110121
41233303202000
530000342211
62524110024
7504060100
oct157634200
961131417
1029309056
11155a9367
129995314
1360c264a
143c6d200
15288e271
hex1bf3880

29309056 has 48 divisors (see below), whose sum is σ = 67936590. Its totient is φ = 12558336.

The previous prime is 29309029. The next prime is 29309081. The reversal of 29309056 is 65090392.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17640000 + 11669056 = 4200^2 + 3416^2 .

It is a super-2 number, since 2×293090562 = 1718041527222272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3936 + ... + 8608.

Almost surely, 229309056 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 29309056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33968295).

29309056 is an abundant number, since it is smaller than the sum of its proper divisors (38627534).

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

29309056 is an equidigital number, since it uses as much as digits as its factorization.

29309056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701 (or 4682 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 29309056 is about 5413.7838892959. The cubic root of 29309056 is about 308.3192282485.

The spelling of 29309056 in words is "twenty-nine million, three hundred nine thousand, fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 392 448 784 896 1568 3136 4673 6272 9346 18692 32711 37384 65422 74768 130844 149536 228977 261688 299072 457954 523376 598144 915908 1046752 1831816 2093504 3663632 4187008 7327264 14654528 29309056