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88136468 = 2274766973
BaseRepresentation
bin1010100000011…
…01101100010100
320010211210111122
411100031230110
5140030331333
612425023112
72120101430
oct520155424
9203753448
1088136468
1145829262
1225624a98
131534b974
14b9c39c0
157b0e798
hex540db14

88136468 has 24 divisors (see below), whose sum is σ = 180026112. Its totient is φ = 36968544.

The previous prime is 88136453. The next prime is 88136471. The reversal of 88136468 is 86463188.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32171 + ... + 34802.

It is an arithmetic number, because the mean of its divisors is an integer number (7501088).

Almost surely, 288136468 is an apocalyptic number.

It is an amenable number.

88136468 is an abundant number, since it is smaller than the sum of its proper divisors (91889644).

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

88136468 is a wasteful number, since it uses less digits than its factorization.

88136468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67031 (or 67029 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 88136468 is about 9388.1024706806. The cubic root of 88136468 is about 445.0258252066.

The spelling of 88136468 in words is "eighty-eight million, one hundred thirty-six thousand, four hundred sixty-eight".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 66973 133946 267892 468811 937622 1875244 3147731 6295462 12590924 22034117 44068234 88136468