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1292494342 = 21942318039
BaseRepresentation
bin100110100001001…
…1110011000000110
310100002001111220211
41031002132120012
510121334304332
6332130350034
744013010036
oct11502363006
93302044824
101292494342
11603641147
12300a2b31a
13177a0a869
14c39298c6
157870b447
hex4d09e606

1292494342 has 16 divisors (see below), whose sum is σ = 2041516800. Its totient is φ = 612013320.

The previous prime is 1292494303. The next prime is 1292494349. The reversal of 1292494342 is 2434942921.

It is a junction number, because it is equal to n+sod(n) for n = 1292494295 and 1292494304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1292494349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156759 + ... + 164797.

It is an arithmetic number, because the mean of its divisors is an integer number (127594800).

Almost surely, 21292494342 is an apocalyptic number.

1292494342 is a deficient number, since it is larger than the sum of its proper divisors (749022458).

1292494342 is a wasteful number, since it uses less digits than its factorization.

1292494342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12291.

The product of its digits is 124416, while the sum is 40.

The square root of 1292494342 is about 35951.2773347485. The cubic root of 1292494342 is about 1089.2884119100.

The spelling of 1292494342 in words is "one billion, two hundred ninety-two million, four hundred ninety-four thousand, three hundred forty-two".

Divisors: 1 2 19 38 4231 8039 8462 16078 80389 152741 160778 305482 34013009 68026018 646247171 1292494342