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9042931 is a prime number
BaseRepresentation
bin100010011111…
…101111110011
3122000102120101
4202133233303
54303333211
6521453231
7136602142
oct42375763
918012511
109042931
1151170a7
123041217
131b48061
1412b5759
15bd95c1
hex89fbf3

9042931 has 2 divisors, whose sum is σ = 9042932. Its totient is φ = 9042930.

The previous prime is 9042907. The next prime is 9042949. The reversal of 9042931 is 1392409.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9042931 - 211 = 9040883 is a prime.

It is a super-2 number, since 2×90429312 = 163549202141522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9042931.

It is not a weakly prime, because it can be changed into another prime (9042331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4521465 + 4521466.

It is an arithmetic number, because the mean of its divisors is an integer number (4521466).

Almost surely, 29042931 is an apocalyptic number.

9042931 is a deficient number, since it is larger than the sum of its proper divisors (1).

9042931 is an equidigital number, since it uses as much as digits as its factorization.

9042931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 9042931 is about 3007.1466542222. The cubic root of 9042931 is about 208.3385988358.

The spelling of 9042931 in words is "nine million, forty-two thousand, nine hundred thirty-one".