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1420996764 = 2231123468049
BaseRepresentation
bin101010010110010…
…1011000010011100
310200000212010002210
41110230223002130
510402233344024
6353000520420
750133162465
oct12454530234
93600763083
101420996764
1166a12a9a0
12337a80110
131985207b5
14d6a19d6c
1584b41129
hex54b2b09c

1420996764 has 48 divisors (see below), whose sum is σ = 3774355200. Its totient is φ = 411882240.

The previous prime is 1420996763. The next prime is 1420996771. The reversal of 1420996764 is 4676990241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420996763) 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, 230989 + ... + 237060.

It is an arithmetic number, because the mean of its divisors is an integer number (78632400).

Almost surely, 21420996764 is an apocalyptic number.

It is an amenable number.

1420996764 is an abundant number, since it is smaller than the sum of its proper divisors (2353358436).

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

1420996764 is a wasteful number, since it uses less digits than its factorization.

1420996764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468090 (or 468088 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 1420996764 is about 37696.1107277661. The cubic root of 1420996764 is about 1124.2537969123.

The spelling of 1420996764 in words is "one billion, four hundred twenty million, nine hundred ninety-six thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 11 12 22 23 33 44 46 66 69 92 132 138 253 276 506 759 1012 1518 3036 468049 936098 1404147 1872196 2808294 5148539 5616588 10297078 10765127 15445617 20594156 21530254 30891234 32295381 43060508 61782468 64590762 118416397 129181524 236832794 355249191 473665588 710498382 1420996764