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49980830 = 25192331129
BaseRepresentation
bin1011111010101…
…0010110011110
310111001021210212
42332222112132
5100243341310
64543132422
71144554464
oct276522636
9114037725
1049980830
1126238379
12148a4112
13a47c773
1468d0834
1545c4205
hex2faa59e

49980830 has 32 divisors (see below), whose sum is σ = 95191200. Its totient is φ = 18842112.

The previous prime is 49980781. The next prime is 49980841. The reversal of 49980830 is 3808994.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43706 + ... + 44834.

It is an arithmetic number, because the mean of its divisors is an integer number (2974725).

Almost surely, 249980830 is an apocalyptic number.

49980830 is a deficient number, since it is larger than the sum of its proper divisors (45210370).

49980830 is a wasteful number, since it uses less digits than its factorization.

49980830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 49980830 is about 7069.7121582141. The cubic root of 49980830 is about 368.3560619231.

The spelling of 49980830 in words is "forty-nine million, nine hundred eighty thousand, eight hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 233 466 1129 1165 2258 2330 4427 5645 8854 11290 21451 22135 42902 44270 107255 214510 263057 526114 1315285 2630570 4998083 9996166 24990415 49980830