Search a number
-
+
87374904 = 23313127791
BaseRepresentation
bin1010011010100…
…11110000111000
320002102002211120
411031103300320
5134331444104
612400425240
72110450221
oct515236070
9202362746
1087374904
1145359071
1225318220
1315143136
14b866248
157a0dcd9
hex5353c38

87374904 has 32 divisors (see below), whose sum is σ = 220112640. Its totient is φ = 28901600.

The previous prime is 87374897. The next prime is 87374933. The reversal of 87374904 is 40947378.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10752 + ... + 17039.

It is an arithmetic number, because the mean of its divisors is an integer number (6878520).

Almost surely, 287374904 is an apocalyptic number.

It is an amenable number.

87374904 is an abundant number, since it is smaller than the sum of its proper divisors (132737736).

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

87374904 is a wasteful number, since it uses less digits than its factorization.

87374904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27931 (or 27927 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 87374904 is about 9347.4544128335. The cubic root of 87374904 is about 443.7403318928.

The spelling of 87374904 in words is "eighty-seven million, three hundred seventy-four thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 24 131 262 393 524 786 1048 1572 3144 27791 55582 83373 111164 166746 222328 333492 666984 3640621 7281242 10921863 14562484 21843726 29124968 43687452 87374904