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88090947 = 3271398269
BaseRepresentation
bin1010100000000…
…10100101000011
320010202111001200
411100002211003
5140022402242
612424032243
72116521630
oct520024503
9203674050
1088090947
11457a803a
1225602683
1315334029
14b9b1187
157b0104c
hex5402943

88090947 has 12 divisors (see below), whose sum is σ = 145420080. Its totient is φ = 50337648.

The previous prime is 88090927. The next prime is 88090949. The reversal of 88090947 is 74909088.

It is not a de Polignac number, because 88090947 - 210 = 88089923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88090949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699072 + ... + 699197.

It is an arithmetic number, because the mean of its divisors is an integer number (12118340).

Almost surely, 288090947 is an apocalyptic number.

88090947 is a deficient number, since it is larger than the sum of its proper divisors (57329133).

88090947 is a wasteful number, since it uses less digits than its factorization.

88090947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398282 (or 1398279 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 88090947 is about 9385.6777592244. The cubic root of 88090947 is about 444.9491959002.

The spelling of 88090947 in words is "eighty-eight million, ninety thousand, nine hundred forty-seven".

Divisors: 1 3 7 9 21 63 1398269 4194807 9787883 12584421 29363649 88090947