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88381142 = 2113391067
BaseRepresentation
bin1010100010010…
…01011011010110
320011022020010122
411101021123112
5140111144032
612434151542
72122140653
oct521113326
9204266118
1088381142
1145986073
12257225b2
1315406145
14ba48c2a
157b5c012
hex54496d6

88381142 has 8 divisors (see below), whose sum is σ = 133745256. Its totient is φ = 43799392.

The previous prime is 88381129. The next prime is 88381159. The reversal of 88381142 is 24118388.

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

It is a super-2 number, since 2×883811422 = 15622452522448328, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 195308 + ... + 195759.

It is an arithmetic number, because the mean of its divisors is an integer number (16718157).

Almost surely, 288381142 is an apocalyptic number.

88381142 is a deficient number, since it is larger than the sum of its proper divisors (45364114).

88381142 is a wasteful number, since it uses less digits than its factorization.

88381142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391182.

The product of its digits is 12288, while the sum is 35.

The square root of 88381142 is about 9401.1245072066. The cubic root of 88381142 is about 445.4372540106.

The spelling of 88381142 in words is "eighty-eight million, three hundred eighty-one thousand, one hundred forty-two".

Divisors: 1 2 113 226 391067 782134 44190571 88381142