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49104990 = 232511193257
BaseRepresentation
bin1011101101010…
…0100001011110
310102101210101100
42323110201132
5100032324430
64512253530
71134246144
oct273244136
9112353340
1049104990
112579a340
12145412a6
13a233c0c
146743594
15449e960
hex2ed485e

49104990 has 96 divisors (see below), whose sum is σ = 140546016. Its totient is φ = 11796480.

The previous prime is 49104943. The next prime is 49105009. The reversal of 49104990 is 9940194.

It is a super-2 number, since 2×491049902 = 4822600085800200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190942 + ... + 191198.

It is an arithmetic number, because the mean of its divisors is an integer number (1464021).

Almost surely, 249104990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49104990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70273008).

49104990 is an abundant number, since it is smaller than the sum of its proper divisors (91441026).

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

49104990 is a wasteful number, since it uses less digits than its factorization.

49104990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 49104990 is about 7007.4952729203. The cubic root of 49104990 is about 366.1917386465.

The spelling of 49104990 in words is "forty-nine million, one hundred four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 193 198 257 330 386 495 514 579 771 965 990 1158 1285 1542 1737 1930 2123 2313 2570 2827 2895 3474 3855 4246 4626 5654 5790 6369 7710 8481 8685 10615 11565 12738 14135 16962 17370 19107 21230 23130 25443 28270 31845 38214 42405 49601 50886 63690 84810 95535 99202 127215 148803 191070 248005 254430 297606 446409 496010 545611 744015 892818 1091222 1488030 1636833 2232045 2728055 3273666 4464090 4910499 5456110 8184165 9820998 16368330 24552495 49104990