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1430031992 = 2323292631019
BaseRepresentation
bin101010100111100…
…1000111001111000
310200122212011002212
41111033020321320
510412042010432
6353522314252
750303033324
oct12517107170
93618764085
101430031992
11674241224
1233aab8988
1319a36519c
14d7ccc984
15858282b2
hex553c8e78

1430031992 has 64 divisors (see below), whose sum is σ = 2908224000. Its totient is φ = 657188224.

The previous prime is 1430031991. The next prime is 1430032003. The reversal of 1430031992 is 2991300341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430031991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402859 + ... + 1403877.

It is an arithmetic number, because the mean of its divisors is an integer number (45441000).

Almost surely, 21430031992 is an apocalyptic number.

It is an amenable number.

1430031992 is an abundant number, since it is smaller than the sum of its proper divisors (1478192008).

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

1430031992 is a wasteful number, since it uses less digits than its factorization.

1430031992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1336 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1430031992 is about 37815.7638029433. The cubic root of 1430031992 is about 1126.6315728870.

The spelling of 1430031992 in words is "one billion, four hundred thirty million, thirty-one thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 23 29 46 58 92 116 184 232 263 526 667 1019 1052 1334 2038 2104 2668 4076 5336 6049 7627 8152 12098 15254 23437 24196 29551 30508 46874 48392 59102 61016 93748 118204 175421 187496 236408 267997 350842 535994 679673 701684 1071988 1359346 1403368 2143976 2718692 5437384 6163931 7771913 12327862 15543826 24655724 31087652 49311448 62175304 178753999 357507998 715015996 1430031992