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87996200 = 2352439981
BaseRepresentation
bin1010011111010…
…11011100101000
320010120200002112
411033223130220
5140011334300
612422021452
72115645455
oct517533450
9203520075
1087996200
1145742936
1225577888
13152ccb76
14b98882c
157ad2e35
hex53eb728

87996200 has 24 divisors (see below), whose sum is σ = 204591630. Its totient is φ = 35198400.

The previous prime is 87996133. The next prime is 87996211. The reversal of 87996200 is 269978.

It can be written as a sum of positive squares in 3 ways, for example, as 72012196 + 15984004 = 8486^2 + 3998^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219791 + ... + 220190.

Almost surely, 287996200 is an apocalyptic number.

It is an amenable number.

87996200 is an abundant number, since it is smaller than the sum of its proper divisors (116595430).

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

87996200 is a wasteful number, since it uses less digits than its factorization.

87996200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439997 (or 439988 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 87996200 is about 9380.6289767798. The cubic root of 87996200 is about 444.7896156548.

It can be divided in two parts, 879 and 96200, that added together give a palindrome (97079).

The spelling of 87996200 in words is "eighty-seven million, nine hundred ninety-six thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 439981 879962 1759924 2199905 3519848 4399810 8799620 10999525 17599240 21999050 43998100 87996200