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990526319 = 2837014993
BaseRepresentation
bin111011000010100…
…011101101101111
32120000211221122222
4323002203231233
54012033320234
6242142225555
733355222556
oct7302435557
92500757588
10990526319
114691430a2
122378852bb
1312a2a1063
14957a2d9d
155be5e42e
hex3b0a3b6f

990526319 has 8 divisors (see below), whose sum is σ = 995643792. Its totient is φ = 985420800.

The previous prime is 990526309. The next prime is 990526331. The reversal of 990526319 is 913625099.

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

It is a cyclic number.

It is not a de Polignac number, because 990526319 - 212 = 990522223 is a prime.

It is a super-2 number, since 2×9905263192 = 1962284777263379522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 990526319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990526309) 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, 195887 + ... + 200879.

It is an arithmetic number, because the mean of its divisors is an integer number (124455474).

Almost surely, 2990526319 is an apocalyptic number.

990526319 is a deficient number, since it is larger than the sum of its proper divisors (5117473).

990526319 is a wasteful number, since it uses less digits than its factorization.

990526319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5977.

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 990526319 is about 31472.6280917244. The cubic root of 990526319 is about 996.8320812214.

The spelling of 990526319 in words is "nine hundred ninety million, five hundred twenty-six thousand, three hundred nineteen".

Divisors: 1 283 701 4993 198383 1413019 3500093 990526319