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990313001 = 2343399439
BaseRepresentation
bin111011000001101…
…111101000101001
32120000110010001022
4323001233220221
54012010004001
6242133502225
733353343626
oct7301575051
92500403038
10990313001
114690078a7
122377a1975
1312a227c32
149574934d
155be1b11b
hex3b06fa29

990313001 has 8 divisors (see below), whose sum is σ = 1035767040. Its totient is φ = 945058752.

The previous prime is 990312989. The next prime is 990313007. The reversal of 990313001 is 100313099.

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-990313001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (990313007) 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, 39761 + ... + 59678.

It is an arithmetic number, because the mean of its divisors is an integer number (129470880).

Almost surely, 2990313001 is an apocalyptic number.

It is an amenable number.

990313001 is a deficient number, since it is larger than the sum of its proper divisors (45454039).

990313001 is a wasteful number, since it uses less digits than its factorization.

990313001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99895.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 990313001 is about 31469.2389644237. The cubic root of 990313001 is about 996.7605174179.

The spelling of 990313001 in words is "nine hundred ninety million, three hundred thirteen thousand, one".

Divisors: 1 23 433 9959 99439 2287097 43057087 990313001