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87797328 = 2431996269
BaseRepresentation
bin1010011101110…
…10111001010000
320010012120021220
411032322321100
5134434003303
612413445040
72114156613
oct516727120
9203176256
1087797328
1145617483
12254a0780
13152604a8
14b93617a
157a94053
hex53bae50

87797328 has 40 divisors (see below), whose sum is σ = 238749600. Its totient is φ = 27725184.

The previous prime is 87797321. The next prime is 87797341. The reversal of 87797328 is 82379778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87797321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47223 + ... + 49046.

It is an arithmetic number, because the mean of its divisors is an integer number (5968740).

Almost surely, 287797328 is an apocalyptic number.

It is an amenable number.

87797328 is an abundant number, since it is smaller than the sum of its proper divisors (150952272).

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

87797328 is a wasteful number, since it uses less digits than its factorization.

87797328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96299 (or 96293 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 51.

The square root of 87797328 is about 9370.0228388196. The cubic root of 87797328 is about 444.4542870783.

The spelling of 87797328 in words is "eighty-seven million, seven hundred ninety-seven thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 96269 192538 288807 385076 577614 770152 1155228 1540304 1829111 2310456 3658222 4620912 5487333 7316444 10974666 14632888 21949332 29265776 43898664 87797328