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90237097 = 283419761
BaseRepresentation
bin1010110000011…
…10100010101001
320021210112000201
411120032202221
5141100041342
612542032201
72144000626
oct530164251
9207715021
1090237097
1146a33515
1226278661
1315905b42
14bdad34d
157dc6db7
hex560e8a9

90237097 has 8 divisors (see below), whose sum is σ = 90891360. Its totient is φ = 89585760.

The previous prime is 90237089. The next prime is 90237101. The reversal of 90237097 is 79073209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90237097 - 23 = 90237089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90237997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118197 + ... + 118957.

It is an arithmetic number, because the mean of its divisors is an integer number (11361420).

Almost surely, 290237097 is an apocalyptic number.

It is an amenable number.

90237097 is a deficient number, since it is larger than the sum of its proper divisors (654263).

90237097 is a wasteful number, since it uses less digits than its factorization.

90237097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 90237097 is about 9499.3208704623. The cubic root of 90237097 is about 448.5336583370.

The spelling of 90237097 in words is "ninety million, two hundred thirty-seven thousand, ninety-seven".

Divisors: 1 283 419 761 118577 215363 318859 90237097