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29200087 = 723293619
BaseRepresentation
bin110111101100…
…0111011010111
32000221111222201
41233120323113
524433400322
62521505331
7503124310
oct157307327
960844881
1029200087
1115534504
129942247
136084b77
143c41607
15286bd27
hex1bd8ed7

29200087 has 16 divisors (see below), whose sum is σ = 34997760. Its totient is φ = 23820192.

The previous prime is 29200069. The next prime is 29200097. The reversal of 29200087 is 78000292.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29200087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29200037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46864 + ... + 47482.

It is an arithmetic number, because the mean of its divisors is an integer number (2187360).

Almost surely, 229200087 is an apocalyptic number.

29200087 is a deficient number, since it is larger than the sum of its proper divisors (5797673).

29200087 is a wasteful number, since it uses less digits than its factorization.

29200087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 29200087 is about 5403.7104844727. The cubic root of 29200087 is about 307.9366506863.

The spelling of 29200087 in words is "twenty-nine million, two hundred thousand, eighty-seven".

Divisors: 1 7 23 161 293 619 2051 4333 6739 14237 47173 99659 181367 1269569 4171441 29200087