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87922012 = 22211104173
BaseRepresentation
bin1010011110110…
…01010101011100
320010102220022211
411033121111130
5140002001022
612420250204
72115216253
oct517312534
9203386284
1087922012
11456a2122
1225540964
13152a5179
14b96979a
157abae77
hex53d955c

87922012 has 12 divisors (see below), whose sum is σ = 154594216. Its totient is φ = 43752240.

The previous prime is 87922001. The next prime is 87922019. The reversal of 87922012 is 21022978.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87922019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51243 + ... + 52930.

Almost surely, 287922012 is an apocalyptic number.

It is an amenable number.

87922012 is a deficient number, since it is larger than the sum of its proper divisors (66672204).

87922012 is a wasteful number, since it uses less digits than its factorization.

87922012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104388 (or 104386 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 87922012 is about 9376.6738239101. The cubic root of 87922012 is about 444.6645824916.

The spelling of 87922012 in words is "eighty-seven million, nine hundred twenty-two thousand, twelve".

Divisors: 1 2 4 211 422 844 104173 208346 416692 21980503 43961006 87922012