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88764421 = 1311634157
BaseRepresentation
bin1010100101001…
…11000000000101
320012000200220011
411102213000011
5140210430141
612450310221
72125325254
oct522470005
9205020804
1088764421
1146118029
1225888371
131550b735
14bb0879b
157bd5881
hex54a7005

88764421 has 8 divisors (see below), whose sum is σ = 90012384. Its totient is φ = 87525360.

The previous prime is 88764419. The next prime is 88764449. The reversal of 88764421 is 12446788.

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 88764421 - 21 = 88764419 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88764451) 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, 19275 + ... + 23431.

It is an arithmetic number, because the mean of its divisors is an integer number (11251548).

Almost surely, 288764421 is an apocalyptic number.

It is an amenable number.

88764421 is a deficient number, since it is larger than the sum of its proper divisors (1247963).

88764421 is a wasteful number, since it uses less digits than its factorization.

88764421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451.

The product of its digits is 86016, while the sum is 40.

The square root of 88764421 is about 9421.4871968283. The cubic root of 88764421 is about 446.0802288189.

The spelling of 88764421 in words is "eighty-eight million, seven hundred sixty-four thousand, four hundred twenty-one".

Divisors: 1 131 163 4157 21353 544567 677591 88764421