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49080990 = 23571912301
BaseRepresentation
bin1011101100111…
…0101010011110
310102100120110110
42323032222132
5100031042430
64511550450
71134116160
oct273165236
9112316413
1049080990
1125783302
121452b426
13a22600a
146738930
1544977b0
hex2ecea9e

49080990 has 64 divisors (see below), whose sum is σ = 141719040. Its totient is φ = 10627200.

The previous prime is 49080961. The next prime is 49080991. The reversal of 49080990 is 9908094.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49080991) 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, 2161 + ... + 10140.

It is an arithmetic number, because the mean of its divisors is an integer number (2214360).

Almost surely, 249080990 is an apocalyptic number.

49080990 is an abundant number, since it is smaller than the sum of its proper divisors (92638050).

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

49080990 is a wasteful number, since it uses less digits than its factorization.

49080990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12337.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 49080990 is about 7005.7826115289. The cubic root of 49080990 is about 366.1320703459.

The spelling of 49080990 in words is "forty-nine million, eighty thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 95 105 114 133 190 210 266 285 399 570 665 798 1330 1995 3990 12301 24602 36903 61505 73806 86107 123010 172214 184515 233719 258321 369030 430535 467438 516642 701157 861070 1168595 1291605 1402314 1636033 2337190 2583210 3272066 3505785 4908099 7011570 8180165 9816198 16360330 24540495 49080990