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49202890 = 25113147307
BaseRepresentation
bin1011101110110…
…0011011001010
310102120202200021
42323230123022
5100043443030
64514331054
71135134442
oct273543312
9112522607
1049202890
1125856950
1214589a8a
13a269649
14676b122
1544bd97a
hex2eec6ca

49202890 has 64 divisors (see below), whose sum is σ = 102187008. Its totient is φ = 16891200.

The previous prime is 49202887. The next prime is 49202891. The reversal of 49202890 is 9820294.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (49202891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160117 + ... + 160423.

It is an arithmetic number, because the mean of its divisors is an integer number (1596672).

Almost surely, 249202890 is an apocalyptic number.

49202890 is an abundant number, since it is smaller than the sum of its proper divisors (52984118).

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

49202890 is a wasteful number, since it uses less digits than its factorization.

49202890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 49202890 is about 7014.4771722488. The cubic root of 49202890 is about 366.4349343848.

The spelling of 49202890 in words is "forty-nine million, two hundred two thousand, eight hundred ninety".

Divisors: 1 2 5 10 11 22 31 47 55 62 94 110 155 235 307 310 341 470 517 614 682 1034 1457 1535 1705 2585 2914 3070 3377 3410 5170 6754 7285 9517 14429 14570 16027 16885 19034 28858 32054 33770 47585 72145 80135 95170 104687 144290 158719 160270 209374 317438 447299 523435 793595 894598 1046870 1587190 2236495 4472990 4920289 9840578 24601445 49202890