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49503920 = 245618799
BaseRepresentation
bin1011110011010…
…1111010110000
310110011001121112
42330311322300
5100133111140
64525012452
71140530204
oct274657260
9113131545
1049503920
1125a42034
12146b4128
13a34367b
146808b04
15452cc65
hex2f35eb0

49503920 has 20 divisors (see below), whose sum is σ = 115096800. Its totient is φ = 19801536.

The previous prime is 49503917. The next prime is 49503943. The reversal of 49503920 is 2930594.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309320 + ... + 309479.

It is an arithmetic number, because the mean of its divisors is an integer number (5754840).

Almost surely, 249503920 is an apocalyptic number.

49503920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49503920 is an abundant number, since it is smaller than the sum of its proper divisors (65592880).

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

49503920 is a wasteful number, since it uses less digits than its factorization.

49503920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618812 (or 618806 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 49503920 is about 7035.9022164894. The cubic root of 49503920 is about 367.1807151727.

The spelling of 49503920 in words is "forty-nine million, five hundred three thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 618799 1237598 2475196 3093995 4950392 6187990 9900784 12375980 24751960 49503920