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90230103 = 3210025567
BaseRepresentation
bin1010110000011…
…00110101010111
320021210011102200
411120030311113
5141044330403
612541535543
72143641345
oct530146527
9207704380
1090230103
1146a29237
12262745b3
13159028c2
14bdaa995
157dc4ca3
hex560cd57

90230103 has 6 divisors (see below), whose sum is σ = 130332384. Its totient is φ = 60153396.

The previous prime is 90230099. The next prime is 90230113. The reversal of 90230103 is 30103209.

It is not a de Polignac number, because 90230103 - 22 = 90230099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90230113) 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, 5012775 + ... + 5012792.

It is an arithmetic number, because the mean of its divisors is an integer number (21722064).

Almost surely, 290230103 is an apocalyptic number.

90230103 is a deficient number, since it is larger than the sum of its proper divisors (40102281).

90230103 is a wasteful number, since it uses less digits than its factorization.

90230103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025573 (or 10025570 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 90230103 is about 9498.9527317489. The cubic root of 90230103 is about 448.5220698826.

The spelling of 90230103 in words is "ninety million, two hundred thirty thousand, one hundred three".

Divisors: 1 3 9 10025567 30076701 90230103