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87714980 = 22513133479
BaseRepresentation
bin1010011101001…
…10110010100100
320010001101022222
411032212302210
5134423334410
612412011512
72113364543
oct516466244
9203041288
1087714980
1145570621
1225460b98
1315231b72
14b91415a
157a79955
hex53a6ca4

87714980 has 24 divisors (see below), whose sum is σ = 185613120. Its totient is φ = 34817120.

The previous prime is 87714973. The next prime is 87714983. The reversal of 87714980 is 8941778.

It is not an unprimeable number, because it can be changed into a prime (87714983) 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 7 ways as a sum of consecutive naturals, for example, 14120 + ... + 19359.

It is an arithmetic number, because the mean of its divisors is an integer number (7733880).

Almost surely, 287714980 is an apocalyptic number.

It is an amenable number.

87714980 is an abundant number, since it is smaller than the sum of its proper divisors (97898140).

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

87714980 is a wasteful number, since it uses less digits than its factorization.

87714980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33619 (or 33617 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 87714980 is about 9365.6275817481. The cubic root of 87714980 is about 444.3152875165.

The spelling of 87714980 in words is "eighty-seven million, seven hundred fourteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 33479 66958 133916 167395 334790 669580 4385749 8771498 17542996 21928745 43857490 87714980