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88013916 = 223223106297
BaseRepresentation
bin1010011111011…
…11110001011100
320010121120101200
411033233301130
5140012421131
612422235500
72116051224
oct517576134
9203546350
1088013916
1145755181
1225585b90
1315307c53
14b991084
157ad82e6
hex53efc5c

88013916 has 36 divisors (see below), whose sum is σ = 232154832. Its totient is φ = 28062144.

The previous prime is 88013897. The next prime is 88013917. The reversal of 88013916 is 61931088.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88013917) 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 11 ways as a sum of consecutive naturals, for example, 52321 + ... + 53976.

Almost surely, 288013916 is an apocalyptic number.

It is an amenable number.

88013916 is an abundant number, since it is smaller than the sum of its proper divisors (144140916).

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

88013916 is a wasteful number, since it uses less digits than its factorization.

88013916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106330 (or 106325 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 88013916 is about 9381.5732156179. The cubic root of 88013916 is about 444.8194630197.

The spelling of 88013916 in words is "eighty-eight million, thirteen thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 106297 212594 318891 425188 637782 956673 1275564 1913346 2444831 3826692 4889662 7334493 9779324 14668986 22003479 29337972 44006958 88013916