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49255144 = 23192373193
BaseRepresentation
bin1011101111100…
…1001011101000
310102200102100121
42323321023220
5100102131034
64515413024
71135443001
oct273711350
9112612317
1049255144
1125892134
12145b4174
13a287373
1467821a8
1544ce1b4
hex2ef92e8

49255144 has 64 divisors (see below), whose sum is σ = 103363200. Its totient is φ = 21897216.

The previous prime is 49255133. The next prime is 49255183. The reversal of 49255144 is 44155294.

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, 255112 + ... + 255304.

It is an arithmetic number, because the mean of its divisors is an integer number (1615050).

Almost surely, 249255144 is an apocalyptic number.

49255144 is the 4439-th heptagonal number.

It is an amenable number.

49255144 is an abundant number, since it is smaller than the sum of its proper divisors (54108056).

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

49255144 is a wasteful number, since it uses less digits than its factorization.

49255144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 310 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 49255144 is about 7018.2009090649. The cubic root of 49255144 is about 366.5646077753.

The spelling of 49255144 in words is "forty-nine million, two hundred fifty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 19 23 38 46 73 76 92 146 152 184 193 292 386 437 584 772 874 1387 1544 1679 1748 2774 3358 3496 3667 4439 5548 6716 7334 8878 11096 13432 14089 14668 17756 28178 29336 31901 35512 56356 63802 84341 112712 127604 168682 255208 267691 324047 337364 535382 648094 674728 1070764 1296188 2141528 2592376 6156893 12313786 24627572 49255144