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87973696 = 261374589
BaseRepresentation
bin1010011111001…
…01111101000000
320010112112020001
411033211331000
5140010124241
612421325344
72115523036
oct517457500
9203475201
1087973696
1145727a38
1225566854
13152c2855
14b980556
157acb431
hex53e5f40

87973696 has 14 divisors (see below), whose sum is σ = 174572930. Its totient is φ = 43986816.

The previous prime is 87973681. The next prime is 87973709. The reversal of 87973696 is 69637978.

It can be written as a sum of positive squares in only one way, i.e., 55711296 + 32262400 = 7464^2 + 5680^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687231 + ... + 687358.

It is an arithmetic number, because the mean of its divisors is an integer number (12469495).

Almost surely, 287973696 is an apocalyptic number.

It is an amenable number.

87973696 is a deficient number, since it is larger than the sum of its proper divisors (86599234).

87973696 is a wasteful number, since it uses less digits than its factorization.

87973696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374601 (or 1374591 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 55.

The square root of 87973696 is about 9379.4294069522. The cubic root of 87973696 is about 444.7516958397.

The spelling of 87973696 in words is "eighty-seven million, nine hundred seventy-three thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 32 64 1374589 2749178 5498356 10996712 21993424 43986848 87973696