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90452929 = 74127687
BaseRepresentation
bin1010110010000…
…11001111000001
320022012111002111
411121003033001
5141123443204
612550415321
72145560110
oct531031701
9208174074
1090452929
1147070696
1226361541
1315980158
14c027c77
157e1ad04
hex56433c1

90452929 has 12 divisors (see below), whose sum is σ = 105971392. Its totient is φ = 75630240.

The previous prime is 90452899. The next prime is 90452941. The reversal of 90452929 is 92925409.

It is not a de Polignac number, because 90452929 - 221 = 88355777 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90452891 and 90452900.

It is not an unprimeable number, because it can be changed into a prime (90452029) 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, 7924 + ... + 15610.

Almost surely, 290452929 is an apocalyptic number.

It is an amenable number.

90452929 is a deficient number, since it is larger than the sum of its proper divisors (15518463).

90452929 is an equidigital number, since it uses as much as digits as its factorization.

90452929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7776 (or 7735 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 90452929 is about 9510.6744766078. The cubic root of 90452929 is about 448.8909793627.

The spelling of 90452929 in words is "ninety million, four hundred fifty-two thousand, nine hundred twenty-nine".

Divisors: 1 7 41 287 1681 7687 11767 53809 315167 2206169 12921847 90452929