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88380351 = 3243247113
BaseRepresentation
bin1010100010010…
…01001110111111
320011022012001100
411101021032333
5140111132401
612434144143
72122135443
oct521111677
9204265040
1088380351
1145985514
1225722053
1315405987
14ba48823
157b5bb86
hex54493bf

88380351 has 36 divisors (see below), whose sum is σ = 134660448. Its totient is φ = 55827072.

The previous prime is 88380323. The next prime is 88380359. The reversal of 88380351 is 15308388.

It is a happy number.

It is not a de Polignac number, because 88380351 - 214 = 88363967 is a prime.

It is a super-2 number, since 2×883803512 = 15622172885766402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88380359) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 782071 + ... + 782183.

It is an arithmetic number, because the mean of its divisors is an integer number (3740568).

Almost surely, 288380351 is an apocalyptic number.

88380351 is a deficient number, since it is larger than the sum of its proper divisors (46280097).

88380351 is a wasteful number, since it uses less digits than its factorization.

88380351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 88380351 is about 9401.0824376771. The cubic root of 88380351 is about 445.4359251376.

The spelling of 88380351 in words is "eighty-eight million, three hundred eighty thousand, three hundred fifty-one".

Divisors: 1 3 9 43 47 113 129 141 339 387 423 1017 1849 2021 4859 5311 5547 6063 14577 15933 16641 18189 43731 47799 86903 208937 228373 260709 626811 685119 782127 1880433 2055357 9820039 29460117 88380351