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1920052265 = 53591069667
BaseRepresentation
bin111001001110001…
…1010110000101001
311221210220202112212
41302130122300221
512413013133030
6514305214505
765403114005
oct16234326051
94853822485
101920052265
118a590175a
12457031435
13247a34a01
14143007705
15b386e595
hex7271ac29

1920052265 has 8 divisors (see below), whose sum is σ = 2310482880. Its totient is φ = 1531761712.

The previous prime is 1920052237. The next prime is 1920052289. The reversal of 1920052265 is 5622500291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1920052265 - 228 = 1651616809 is a prime.

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, 533039 + ... + 536628.

It is an arithmetic number, because the mean of its divisors is an integer number (288810360).

Almost surely, 21920052265 is an apocalyptic number.

It is an amenable number.

1920052265 is a deficient number, since it is larger than the sum of its proper divisors (390430615).

1920052265 is a wasteful number, since it uses less digits than its factorization.

1920052265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070031.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1920052265 is about 43818.4009863436. The cubic root of 1920052265 is about 1242.9042800227.

The spelling of 1920052265 in words is "one billion, nine hundred twenty million, fifty-two thousand, two hundred sixty-five".

Divisors: 1 5 359 1795 1069667 5348335 384010453 1920052265