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1690076942 = 219103431803
BaseRepresentation
bin110010010111100…
…1000011100001110
311100210011210201022
41210233020130032
511430124430232
6435412114142
756611263011
oct14457103416
94323153638
101690076942
11798005904
123b2005952
1320c1b3a38
14120661378
159d593812
hex64bc870e

1690076942 has 16 divisors (see below), whose sum is σ = 2694456960. Its totient is φ = 792788472.

The previous prime is 1690076933. The next prime is 1690076977. The reversal of 1690076942 is 2496700961.

It is a junction number, because it is equal to n+sod(n) for n = 1690076893 and 1690076902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211988 + ... + 219815.

It is an arithmetic number, because the mean of its divisors is an integer number (168403560).

Almost surely, 21690076942 is an apocalyptic number.

1690076942 is a deficient number, since it is larger than the sum of its proper divisors (1004380018).

1690076942 is a wasteful number, since it uses less digits than its factorization.

1690076942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431927.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1690076942 is about 41110.5453867983. The cubic root of 1690076942 is about 1191.1565015637.

The spelling of 1690076942 in words is "one billion, six hundred ninety million, seventy-six thousand, nine hundred forty-two".

Divisors: 1 2 19 38 103 206 1957 3914 431803 863606 8204257 16408514 44475709 88951418 845038471 1690076942