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30996575 = 526012063
BaseRepresentation
bin111011000111…
…1100001011111
32011022210022022
41312033201133
530413342300
63024210355
7524316011
oct166174137
964283268
1030996575
1116551205
12a4699bb
13656378c
14418c1b1
152ac4285
hex1d8f85f

30996575 has 12 divisors (see below), whose sum is σ = 38518368. Its totient is φ = 24744000.

The previous prime is 30996551. The next prime is 30996587. The reversal of 30996575 is 57569903.

It is not a de Polignac number, because 30996575 - 210 = 30995551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13994 + ... + 16056.

It is an arithmetic number, because the mean of its divisors is an integer number (3209864).

Almost surely, 230996575 is an apocalyptic number.

30996575 is a deficient number, since it is larger than the sum of its proper divisors (7521793).

30996575 is a wasteful number, since it uses less digits than its factorization.

30996575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674 (or 2669 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 44.

The square root of 30996575 is about 5567.4567802543. The cubic root of 30996575 is about 314.1264957499.

It can be divided in two parts, 309 and 96575, that multiplied together give a triangular number (29841675 = T7725).

The spelling of 30996575 in words is "thirty million, nine hundred ninety-six thousand, five hundred seventy-five".

Divisors: 1 5 25 601 2063 3005 10315 15025 51575 1239863 6199315 30996575