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88468020 = 22325491489
BaseRepresentation
bin1010100010111…
…10101000110100
320011110122022100
411101132220310
5140121434040
612440102100
72122652154
oct521365064
9204418270
1088468020
1145a35373
1225764930
1315436854
14ba6c764
157b77b30
hex545ea34

88468020 has 36 divisors (see below), whose sum is σ = 268353540. Its totient is φ = 23591424.

The previous prime is 88468019. The next prime is 88468033. The reversal of 88468020 is 2086488.

It can be written as a sum of positive squares in 2 ways, for example, as 60652944 + 27815076 = 7788^2 + 5274^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 245565 + ... + 245924.

It is an arithmetic number, because the mean of its divisors is an integer number (7454265).

Almost surely, 288468020 is an apocalyptic number.

It is an amenable number.

88468020 is an abundant number, since it is smaller than the sum of its proper divisors (179885520).

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

88468020 is a wasteful number, since it uses less digits than its factorization.

88468020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491504 (or 491499 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 88468020 is about 9405.7439897118. The cubic root of 88468020 is about 445.5831600399.

The spelling of 88468020 in words is "eighty-eight million, four hundred sixty-eight thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 491489 982978 1474467 1965956 2457445 2948934 4423401 4914890 5897868 7372335 8846802 9829780 14744670 17693604 22117005 29489340 44234010 88468020