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88161402 = 2372099081
BaseRepresentation
bin1010100000100…
…11110001111010
320010220001201010
411100103301322
5140032131102
612425334350
72120234220
oct520236172
9203801633
1088161402
1145845a6a
12256373b6
131535a114
14b9ccb10
157b16d6c
hex5413c7a

88161402 has 16 divisors (see below), whose sum is σ = 201511872. Its totient is φ = 25188960.

The previous prime is 88161391. The next prime is 88161407. The reversal of 88161402 is 20416188.

It is a self number, because there is not a number n which added to its sum of digits gives 88161402.

It is not an unprimeable number, because it can be changed into a prime (88161407) by changing a digit.

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, 1049499 + ... + 1049582.

It is an arithmetic number, because the mean of its divisors is an integer number (12594492).

Almost surely, 288161402 is an apocalyptic number.

88161402 is an abundant number, since it is smaller than the sum of its proper divisors (113350470).

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

88161402 is a wasteful number, since it uses less digits than its factorization.

88161402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099093.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 88161402 is about 9389.4303341577. The cubic root of 88161402 is about 445.0677875103.

The spelling of 88161402 in words is "eighty-eight million, one hundred sixty-one thousand, four hundred two".

Divisors: 1 2 3 6 7 14 21 42 2099081 4198162 6297243 12594486 14693567 29387134 44080701 88161402