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49013690 = 25112319373
BaseRepresentation
bin1011101011111…
…0001110111010
310102020011010212
42322332032322
5100021414230
64510311122
71133416025
oct272761672
9112204125
1049013690
1125737790
12144b84a2
13a2014ab
14671c1bc
154482895
hex2ebe3ba

49013690 has 32 divisors (see below), whose sum is σ = 100434816. Its totient is φ = 17047360.

The previous prime is 49013689. The next prime is 49013717. The reversal of 49013690 is 9631094.

49013690 = 5952 + 5962 + ... + 7092.

It is a super-2 number, since 2×490136902 = 4804683614832200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7157 + ... + 12216.

It is an arithmetic number, because the mean of its divisors is an integer number (3138588).

Almost surely, 249013690 is an apocalyptic number.

49013690 is an abundant number, since it is smaller than the sum of its proper divisors (51421126).

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

49013690 is a wasteful number, since it uses less digits than its factorization.

49013690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19414.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 49013690 is about 7000.9777888521. The cubic root of 49013690 is about 365.9646466693.

It can be divided in two parts, 490 and 13690, that multiplied together give a square (6708100 = 25902).

The spelling of 49013690 in words is "forty-nine million, thirteen thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 230 253 506 1265 2530 19373 38746 96865 193730 213103 426206 445579 891158 1065515 2131030 2227895 4455790 4901369 9802738 24506845 49013690