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1292342942 = 211311894931
BaseRepresentation
bin100110100000111…
…1001011010011110
310100001202211020102
41031001321122132
510121314433232
6332123221102
744011506452
oct11501713236
93301684212
101292342942
11603548420
12300977792
13177986987
14c38ca662
15786cb662
hex4d07969e

1292342942 has 16 divisors (see below), whose sum is σ = 2182961664. Its totient is φ = 568479000.

The previous prime is 1292342939. The next prime is 1292342971. The reversal of 1292342942 is 2492432921.

It is a junction number, because it is equal to n+sod(n) for n = 1292342896 and 1292342905.

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, 946784 + ... + 948147.

It is an arithmetic number, because the mean of its divisors is an integer number (136435104).

Almost surely, 21292342942 is an apocalyptic number.

1292342942 is a deficient number, since it is larger than the sum of its proper divisors (890618722).

1292342942 is a wasteful number, since it uses less digits than its factorization.

1292342942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894975.

The product of its digits is 62208, while the sum is 38.

The square root of 1292342942 is about 35949.1716455331. The cubic root of 1292342942 is about 1089.2458779507.

The spelling of 1292342942 in words is "one billion, two hundred ninety-two million, three hundred forty-two thousand, nine hundred forty-two".

Divisors: 1 2 11 22 31 62 341 682 1894931 3789862 20844241 41688482 58742861 117485722 646171471 1292342942