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88234881 = 377357557
BaseRepresentation
bin1010100001001…
…01101110000001
320011000210111120
411100211232001
5140042004011
612431102453
72120661360
oct520455601
9204023446
1088234881
1145896199
1225671a29
13153846b7
14ba0b7d7
157b2da06
hex5425b81

88234881 has 16 divisors (see below), whose sum is σ = 136297344. Its totient is φ = 49728384.

The previous prime is 88234871. The next prime is 88234889. The reversal of 88234881 is 18843288.

It is not a de Polignac number, because 88234881 - 210 = 88233857 is a prime.

It is a super-2 number, since 2×882348812 = 15570788450168322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88234889) 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 15 ways as a sum of consecutive naturals, for example, 27246 + ... + 30311.

It is an arithmetic number, because the mean of its divisors is an integer number (8518584).

Almost surely, 288234881 is an apocalyptic number.

It is an amenable number.

88234881 is a deficient number, since it is larger than the sum of its proper divisors (48062463).

88234881 is a wasteful number, since it uses less digits than its factorization.

88234881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57640.

The product of its digits is 98304, while the sum is 42.

The square root of 88234881 is about 9393.3423763855. The cubic root of 88234881 is about 445.1914019033.

The spelling of 88234881 in words is "eighty-eight million, two hundred thirty-four thousand, eight hundred eighty-one".

Divisors: 1 3 7 21 73 219 511 1533 57557 172671 402899 1208697 4201661 12604983 29411627 88234881