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29761057 = 234872657
BaseRepresentation
bin111000110000…
…1111000100001
32002000000111101
41301201320201
530104323212
62541514401
7510651634
oct161417041
962000441
1029761057
1115887a17
129b72a01
1362202c1
143d49c1b
15292d157
hex1c61e21

29761057 has 8 divisors (see below), whose sum is σ = 31130496. Its totient is φ = 28397952.

The previous prime is 29761027. The next prime is 29761063. The reversal of 29761057 is 75016792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29761057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29761027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9873 + ... + 12529.

It is an arithmetic number, because the mean of its divisors is an integer number (3891312).

Almost surely, 229761057 is an apocalyptic number.

It is an amenable number.

29761057 is a deficient number, since it is larger than the sum of its proper divisors (1369439).

29761057 is a wasteful number, since it uses less digits than its factorization.

29761057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 29761057 is about 5455.3695566845. The cubic root of 29761057 is about 309.8961046218.

The spelling of 29761057 in words is "twenty-nine million, seven hundred sixty-one thousand, fifty-seven".

Divisors: 1 23 487 2657 11201 61111 1293959 29761057