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88490196 = 22322458061
BaseRepresentation
bin1010100011001…
…00000011010100
320011111202201200
411101210003110
5140123141241
612440352500
72123103624
oct521440324
9204452650
1088490196
1145a4aaa3
1225775730
1315443982
14ba76884
157b7e4b6
hex54640d4

88490196 has 18 divisors (see below), whose sum is σ = 223683642. Its totient is φ = 29496720.

The previous prime is 88490167. The next prime is 88490197. The reversal of 88490196 is 69109488.

It can be written as a sum of positive squares in only one way, i.e., 88172100 + 318096 = 9390^2 + 564^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88490197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1228995 + ... + 1229066.

It is an arithmetic number, because the mean of its divisors is an integer number (12426869).

Almost surely, 288490196 is an apocalyptic number.

It is an amenable number.

88490196 is an abundant number, since it is smaller than the sum of its proper divisors (135193446).

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

88490196 is a wasteful number, since it uses less digits than its factorization.

88490196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458071 (or 2458066 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 88490196 is about 9406.9227699604. The cubic root of 88490196 is about 445.6203879054.

The spelling of 88490196 in words is "eighty-eight million, four hundred ninety thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 2458061 4916122 7374183 9832244 14748366 22122549 29496732 44245098 88490196