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90125323 = 425321191
BaseRepresentation
bin1010101111100…
…11010000001011
320021120211200221
411113303100023
5141033002243
612535410511
72143024021
oct527632013
9207524627
1090125323
1146967542
1226223a37
1315896cc2
14bd80711
157da3bed
hex55f340b

90125323 has 4 divisors (see below), whose sum is σ = 90150768. Its totient is φ = 90099880.

The previous prime is 90125317. The next prime is 90125327. The reversal of 90125323 is 32352109.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-90125323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90125327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6343 + ... + 14848.

It is an arithmetic number, because the mean of its divisors is an integer number (22537692).

Almost surely, 290125323 is an apocalyptic number.

90125323 is a deficient number, since it is larger than the sum of its proper divisors (25445).

90125323 is a wasteful number, since it uses less digits than its factorization.

90125323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25444.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 90125323 is about 9493.4357847936. The cubic root of 90125323 is about 448.3483867320.

The spelling of 90125323 in words is "ninety million, one hundred twenty-five thousand, three hundred twenty-three".

Divisors: 1 4253 21191 90125323