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1042742532 = 2231317393191
BaseRepresentation
bin111110001001101…
…111110100000100
32200200002210211210
4332021233310010
54113420230112
6251245331420
734561110456
oct7611576404
92620083753
101042742532
11495667997
12251266b70
13138054120
149c6b62d6
1561825b3c
hex3e26fd04

1042742532 has 48 divisors (see below), whose sum is σ = 2774362752. Its totient is φ = 301969920.

The previous prime is 1042742521. The next prime is 1042742543. The reversal of 1042742532 is 2352472401.

It is an interprime number because it is at equal distance from previous prime (1042742521) and next prime (1042742543).

It is a self number, because there is not a number n which added to its sum of digits gives 1042742532.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193944 + ... + 199247.

It is an arithmetic number, because the mean of its divisors is an integer number (57799224).

Almost surely, 21042742532 is an apocalyptic number.

1042742532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1042742532 is an abundant number, since it is smaller than the sum of its proper divisors (1731620220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042742532 is a wasteful number, since it uses less digits than its factorization.

1042742532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393228 (or 393226 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 1042742532 is about 32291.5241510834. The cubic root of 1042742532 is about 1014.0492061288.

The spelling of 1042742532 in words is "one billion, forty-two million, seven hundred forty-two thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 204 221 442 663 884 1326 2652 393191 786382 1179573 1572764 2359146 4718292 5111483 6684247 10222966 13368494 15334449 20052741 20445932 26736988 30668898 40105482 61337796 80210964 86895211 173790422 260685633 347580844 521371266 1042742532