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90097195 = 517262351
BaseRepresentation
bin1010101111011…
…00011000101011
320021112102010011
411113230120223
5141031102240
612535032351
72142546016
oct527543053
9207472104
1090097195
11469483a1
122620b6b7
1315887266
14bd7437d
157d9a6ea
hex55ec62b

90097195 has 12 divisors (see below), whose sum is σ = 114852384. Its totient is φ = 67836800.

The previous prime is 90097181. The next prime is 90097201. The reversal of 90097195 is 59179009.

It is not a de Polignac number, because 90097195 - 211 = 90095147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29731 + ... + 32620.

It is an arithmetic number, because the mean of its divisors is an integer number (9571032).

Almost surely, 290097195 is an apocalyptic number.

90097195 is a deficient number, since it is larger than the sum of its proper divisors (24755189).

90097195 is a wasteful number, since it uses less digits than its factorization.

90097195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62390 (or 62373 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 40.

The square root of 90097195 is about 9491.9542244998. The cubic root of 90097195 is about 448.3017388895.

The spelling of 90097195 in words is "ninety million, ninety-seven thousand, one hundred ninety-five".

Divisors: 1 5 17 85 289 1445 62351 311755 1059967 5299835 18019439 90097195