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88074612 = 22322446517
BaseRepresentation
bin1010011111111…
…10100101110100
320010201122122200
411033332211310
5140021341422
612423424500
72116423203
oct517764564
9203648580
1088074612
114579683a
12255b5130
1315329772
14b9a923a
157aeb2ac
hex53fe974

88074612 has 18 divisors (see below), whose sum is σ = 222633138. Its totient is φ = 29358192.

The previous prime is 88074611. The next prime is 88074617. The reversal of 88074612 is 21647088.

It can be written as a sum of positive squares in only one way, i.e., 59814756 + 28259856 = 7734^2 + 5316^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2446517 = 88074612 / (8 + 8 + 0 + 7 + 4 + 6 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88074611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223223 + ... + 1223294.

Almost surely, 288074612 is an apocalyptic number.

It is an amenable number.

88074612 is an abundant number, since it is smaller than the sum of its proper divisors (134558526).

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

88074612 is a wasteful number, since it uses less digits than its factorization.

88074612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446527 (or 2446522 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 88074612 is about 9384.8075100132. The cubic root of 88074612 is about 444.9216913924.

The spelling of 88074612 in words is "eighty-eight million, seventy-four thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 2446517 4893034 7339551 9786068 14679102 22018653 29358204 44037306 88074612