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87553064 = 23191314397
BaseRepresentation
bin1010011011111…
…11010000101000
320002202011020002
411031333100220
5134403144224
612404322132
72112121514
oct515772050
9202664202
1087553064
114546aa05
12253a3348
13151a6261
14b8b1144
157a469ae
hex537f428

87553064 has 32 divisors (see below), whose sum is σ = 174160800. Its totient is φ = 41146560.

The previous prime is 87553027. The next prime is 87553069. The reversal of 87553064 is 46035578.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (87553069) 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, 17714 + ... + 22110.

It is an arithmetic number, because the mean of its divisors is an integer number (5442525).

Almost surely, 287553064 is an apocalyptic number.

It is an amenable number.

87553064 is a deficient number, since it is larger than the sum of its proper divisors (86607736).

87553064 is a wasteful number, since it uses less digits than its factorization.

87553064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553 (or 4549 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 87553064 is about 9356.9794271442. The cubic root of 87553064 is about 444.0417269985.

The spelling of 87553064 in words is "eighty-seven million, five hundred fifty-three thousand, sixty-four".

Divisors: 1 2 4 8 19 38 76 131 152 262 524 1048 2489 4397 4978 8794 9956 17588 19912 35176 83543 167086 334172 576007 668344 1152014 2304028 4608056 10944133 21888266 43776532 87553064