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87459242 = 21319177043
BaseRepresentation
bin1010011011010…
…00010110101010
320002120101112012
411031220112222
5134342143432
612402315522
72111251133
oct515502652
9202511465
1087459242
1145406472
1225358ba2
1315172640
14b888c8a
157a28cb2
hex53685aa

87459242 has 16 divisors (see below), whose sum is σ = 148716960. Its totient is φ = 38241072.

The previous prime is 87459161. The next prime is 87459263. The reversal of 87459242 is 24295478.

It is a super-2 number, since 2×874592422 = 15298238022429128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87459242.

It is an unprimeable number.

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, 88028 + ... + 89015.

It is an arithmetic number, because the mean of its divisors is an integer number (9294810).

Almost surely, 287459242 is an apocalyptic number.

87459242 is a deficient number, since it is larger than the sum of its proper divisors (61257718).

87459242 is a wasteful number, since it uses less digits than its factorization.

87459242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177077.

The product of its digits is 161280, while the sum is 41.

The square root of 87459242 is about 9351.9646064343. The cubic root of 87459242 is about 443.8830583726.

The spelling of 87459242 in words is "eighty-seven million, four hundred fifty-nine thousand, two hundred forty-two".

Divisors: 1 2 13 19 26 38 247 494 177043 354086 2301559 3363817 4603118 6727634 43729621 87459242