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990935737 = 11563160009
BaseRepresentation
bin111011000100000…
…111101010111001
32120001121202021121
4323010013222321
54012134420422
6242155105241
733361546321
oct7304075271
92501552247
10990935737
114693a2760
12237a42221
1312a3b550c
149586c281
155bee08c7
hex3b107ab9

990935737 has 8 divisors (see below), whose sum is σ = 1082947680. Its totient is φ = 899244960.

The previous prime is 990935689. The next prime is 990935741. The reversal of 990935737 is 737539099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-990935737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990933737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73812 + ... + 86197.

It is an arithmetic number, because the mean of its divisors is an integer number (135368460).

Almost surely, 2990935737 is an apocalyptic number.

It is an amenable number.

990935737 is a deficient number, since it is larger than the sum of its proper divisors (92011943).

990935737 is a wasteful number, since it uses less digits than its factorization.

990935737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160583.

The product of its (nonzero) digits is 1607445, while the sum is 52.

The square root of 990935737 is about 31479.1317701108. The cubic root of 990935737 is about 996.9694037646.

The spelling of 990935737 in words is "nine hundred ninety million, nine hundred thirty-five thousand, seven hundred thirty-seven".

Divisors: 1 11 563 6193 160009 1760099 90085067 990935737