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30838496 = 251374131
BaseRepresentation
bin111010110100…
…0111011100000
32011000202110112
41311220323200
530343312441
63020550452
7523060103
oct165507340
964022415
1030838496
1116453467
12a3b2428
136509840
14414a73a
152a924eb
hex1d68ee0

30838496 has 24 divisors (see below), whose sum is σ = 65384424. Its totient is φ = 14232960.

The previous prime is 30838487. The next prime is 30838517. The reversal of 30838496 is 69483803.

It is a super-3 number, since 3×308384963 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36650 + ... + 37481.

It is an arithmetic number, because the mean of its divisors is an integer number (2724351).

Almost surely, 230838496 is an apocalyptic number.

It is an amenable number.

30838496 is an abundant number, since it is smaller than the sum of its proper divisors (34545928).

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

30838496 is a wasteful number, since it uses less digits than its factorization.

30838496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74154 (or 74146 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 30838496 is about 5553.2419360226. The cubic root of 30838496 is about 313.5915822744.

The spelling of 30838496 in words is "thirty million, eight hundred thirty-eight thousand, four hundred ninety-six".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 74131 148262 296524 593048 963703 1186096 1927406 2372192 3854812 7709624 15419248 30838496