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88751081 = 674632861
BaseRepresentation
bin1010100101000…
…11101111101001
320012000000121002
411102203233221
5140210013311
612450124345
72125241336
oct522435751
9205000532
1088751081
1146109001
12258806b5
1315505643
14bb0398d
157bd193b
hex54a3be9

88751081 has 8 divisors (see below), whose sum is σ = 90301824. Its totient is φ = 87207120.

The previous prime is 88751057. The next prime is 88751093. The reversal of 88751081 is 18015788.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88751081 - 26 = 88751017 is a prime.

It is a super-2 number, since 2×887510812 = 15753508757337122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88751041) 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, 29591 + ... + 32451.

It is an arithmetic number, because the mean of its divisors is an integer number (11287728).

Almost surely, 288751081 is an apocalyptic number.

It is an amenable number.

88751081 is a deficient number, since it is larger than the sum of its proper divisors (1550743).

88751081 is a wasteful number, since it uses less digits than its factorization.

88751081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391.

The product of its (nonzero) digits is 17920, while the sum is 38.

The square root of 88751081 is about 9420.7792140566. The cubic root of 88751081 is about 446.0578812450.

The spelling of 88751081 in words is "eighty-eight million, seven hundred fifty-one thousand, eighty-one".

Divisors: 1 67 463 2861 31021 191687 1324643 88751081