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1979090674 = 211293102023
BaseRepresentation
bin111010111110110…
…1000011011110010
312002221000020000121
41311331220123302
513023121400144
6524214440454
7100020664441
oct16575503362
95087006017
101979090674
11926166130
1247296312a
13257036092
1414abb4d58
15b8b32384
hex75f686f2

1979090674 has 16 divisors (see below), whose sum is σ = 3350185920. Its totient is φ = 868566160.

The previous prime is 1979090627. The next prime is 1979090713. The reversal of 1979090674 is 4760909791.

It is a super-3 number, since 3×19790906743 (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1550374 + ... + 1551649.

It is an arithmetic number, because the mean of its divisors is an integer number (209386620).

Almost surely, 21979090674 is an apocalyptic number.

1979090674 is a deficient number, since it is larger than the sum of its proper divisors (1371095246).

1979090674 is a wasteful number, since it uses less digits than its factorization.

1979090674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102065.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 1979090674 is about 44486.9719580913. The cubic root of 1979090674 is about 1255.5149760341.

The spelling of 1979090674 in words is "one billion, nine hundred seventy-nine million, ninety thousand, six hundred seventy-four".

Divisors: 1 2 11 22 29 58 319 638 3102023 6204046 34122253 68244506 89958667 179917334 989545337 1979090674