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990027379 = 11271133199
BaseRepresentation
bin111011000000101…
…001111001110011
32112222220121020201
4323000221321303
54011421334004
6242123420031
733351044125
oct7300517163
92488817221
10990027379
11468932250
12237684617
1312a157c23
14956b3215
155bdb16a4
hex3b029e73

990027379 has 8 divisors (see below), whose sum is σ = 1080460800. Its totient is φ = 899665800.

The previous prime is 990027373. The next prime is 990027383. The reversal of 990027379 is 973720099.

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

It is not a de Polignac number, because 990027379 - 27 = 990027251 is a prime.

It is a super-2 number, since 2×9900273792 = 1960308422339219282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990027373) 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, 13222 + ... + 46420.

It is an arithmetic number, because the mean of its divisors is an integer number (135057600).

Almost surely, 2990027379 is an apocalyptic number.

990027379 is a deficient number, since it is larger than the sum of its proper divisors (90433421).

990027379 is a wasteful number, since it uses less digits than its factorization.

990027379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35921.

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 990027379 is about 31464.7005229670. The cubic root of 990027379 is about 996.6646810150.

The spelling of 990027379 in words is "nine hundred ninety million, twenty-seven thousand, three hundred seventy-nine".

Divisors: 1 11 2711 29821 33199 365189 90002489 990027379