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49100012 = 22131767829
BaseRepresentation
bin1011101101001…
…1010011101100
310102101112112222
42323103103230
5100032200022
64512214512
71134225503
oct273232354
9112345488
1049100012
1125796625
121453a438
13a231880
14674183a
15449d242
hex2ed34ec

49100012 has 48 divisors (see below), whose sum is σ = 99560160. Its totient is φ = 20984832.

The previous prime is 49100011. The next prime is 49100017. The reversal of 49100012 is 21000194.

It is a happy number.

It is a super-2 number, since 2×491000122 = 4821622356800288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (49100011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58814 + ... + 59642.

It is an arithmetic number, because the mean of its divisors is an integer number (2074170).

Almost surely, 249100012 is an apocalyptic number.

It is an amenable number.

49100012 is an abundant number, since it is smaller than the sum of its proper divisors (50460148).

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

49100012 is a wasteful number, since it uses less digits than its factorization.

49100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 49100012 is about 7007.1400728114. The cubic root of 49100012 is about 366.1793640448.

The spelling of 49100012 in words is "forty-nine million, one hundred thousand, twelve".

Divisors: 1 2 4 13 17 26 34 52 67 68 134 221 268 442 829 871 884 1139 1658 1742 2278 3316 3484 4556 10777 14093 14807 21554 28186 29614 43108 55543 56372 59228 111086 183209 222172 366418 722059 732836 944231 1444118 1888462 2888236 3776924 12275003 24550006 49100012