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87925074 = 23411133163
BaseRepresentation
bin1010011110110…
…10000101010010
320010110001112020
411033122011102
5140002100244
612420312310
72115231216
oct517320522
9203401466
1087925074
11456a4456
1225542696
13152a6693
14b96a946
157abbd19
hex53da152

87925074 has 32 divisors (see below), whose sum is σ = 181790784. Its totient is φ = 28331520.

The previous prime is 87925073. The next prime is 87925081. The reversal of 87925074 is 47052978.

It is not an unprimeable number, because it can be changed into a prime (87925073) by changing a digit.

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, 26217 + ... + 29379.

It is an arithmetic number, because the mean of its divisors is an integer number (5680962).

Almost surely, 287925074 is an apocalyptic number.

87925074 is an abundant number, since it is smaller than the sum of its proper divisors (93865710).

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

87925074 is a wasteful number, since it uses less digits than its factorization.

87925074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 87925074 is about 9376.8371000034. The cubic root of 87925074 is about 444.6697444418.

The spelling of 87925074 in words is "eighty-seven million, nine hundred twenty-five thousand, seventy-four".

Divisors: 1 2 3 6 41 82 113 123 226 246 339 678 3163 4633 6326 9266 9489 13899 18978 27798 129683 259366 357419 389049 714838 778098 1072257 2144514 14654179 29308358 43962537 87925074