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88431916 = 2241539219
BaseRepresentation
bin1010100010101…
…01110100101100
320011101210210011
411101111310230
5140114310131
612435223004
72122441666
oct521256454
9204353704
1088431916
1145a10231
1225747a64
13154232a1
14ba5d536
157b6c0b1
hex5455d2c

88431916 has 12 divisors (see below), whose sum is σ = 158530680. Its totient is φ = 43137440.

The previous prime is 88431911. The next prime is 88431919. The reversal of 88431916 is 61913488.

It is not an unprimeable number, because it can be changed into a prime (88431911) by changing a digit.

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, 269446 + ... + 269773.

It is an arithmetic number, because the mean of its divisors is an integer number (13210890).

Almost surely, 288431916 is an apocalyptic number.

It is an amenable number.

88431916 is a deficient number, since it is larger than the sum of its proper divisors (70098764).

88431916 is a wasteful number, since it uses less digits than its factorization.

88431916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539264 (or 539262 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 88431916 is about 9403.8245411109. The cubic root of 88431916 is about 445.5225372923.

The spelling of 88431916 in words is "eighty-eight million, four hundred thirty-one thousand, nine hundred sixteen".

Divisors: 1 2 4 41 82 164 539219 1078438 2156876 22107979 44215958 88431916