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88134947 = 155956533
BaseRepresentation
bin1010100000011…
…01010100100011
320010211201102022
411100031110203
5140030304242
612425012055
72120064125
oct520152443
9203751368
1088134947
11458280aa
122562402b
131534b074
14b9c3215
157b0e0d2
hex540d523

88134947 has 4 divisors (see below), whose sum is σ = 88193040. Its totient is φ = 88076856.

The previous prime is 88134941. The next prime is 88134979. The reversal of 88134947 is 74943188.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88134947 - 220 = 87086371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88134898 and 88134907.

It is not an unprimeable number, because it can be changed into a prime (88134941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26708 + ... + 29825.

It is an arithmetic number, because the mean of its divisors is an integer number (22048260).

Almost surely, 288134947 is an apocalyptic number.

88134947 is a deficient number, since it is larger than the sum of its proper divisors (58093).

88134947 is a wasteful number, since it uses less digits than its factorization.

88134947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58092.

The product of its digits is 193536, while the sum is 44.

The square root of 88134947 is about 9388.0214635460. The cubic root of 88134947 is about 445.0232652062.

The spelling of 88134947 in words is "eighty-eight million, one hundred thirty-four thousand, nine hundred forty-seven".

Divisors: 1 1559 56533 88134947