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90600961 = 118236451
BaseRepresentation
bin1010110011001…
…11011000000001
320022111000011011
411121213120001
5141143212321
612553520521
72150044513
oct531473001
9208430134
1090600961
1147161930
1226413141
1315a02649
14c065bb3
157e49ae1
hex5667601

90600961 has 4 divisors (see below), whose sum is σ = 98837424. Its totient is φ = 82364500.

The previous prime is 90600953. The next prime is 90600967. The reversal of 90600961 is 16900609.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90600961 - 23 = 90600953 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90600967) 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, 4118215 + ... + 4118236.

It is an arithmetic number, because the mean of its divisors is an integer number (24709356).

Almost surely, 290600961 is an apocalyptic number.

It is an amenable number.

90600961 is a deficient number, since it is larger than the sum of its proper divisors (8236463).

90600961 is a wasteful number, since it uses less digits than its factorization.

90600961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236462.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 90600961 is about 9518.4537084550. The cubic root of 90600961 is about 449.1357254906.

The spelling of 90600961 in words is "ninety million, six hundred thousand, nine hundred sixty-one".

Divisors: 1 11 8236451 90600961