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49391716 = 221121941131
BaseRepresentation
bin1011110001101…
…0100001100100
310102221100200211
42330122201210
5100121013331
64522345204
71136552113
oct274324144
9112840624
1049391716
1125975800
121465b204
13a30458a
1467b9c7a
1545098b1
hex2f1a864

49391716 has 72 divisors (see below), whose sum is σ = 103229280. Its totient is φ = 20592000.

The previous prime is 49391627. The next prime is 49391717. The reversal of 49391716 is 61719394.

It is not an unprimeable number, because it can be changed into a prime (49391717) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376971 + ... + 377101.

It is an arithmetic number, because the mean of its divisors is an integer number (1433740).

Almost surely, 249391716 is an apocalyptic number.

It is an amenable number.

49391716 is an abundant number, since it is smaller than the sum of its proper divisors (53837564).

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

49391716 is a wasteful number, since it uses less digits than its factorization.

49391716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 204 counting only the distinct ones).

The product of its digits is 40824, while the sum is 40.

The square root of 49391716 is about 7027.9240178021. The cubic root of 49391716 is about 366.9030919655.

The spelling of 49391716 in words is "forty-nine million, three hundred ninety-one thousand, seven hundred sixteen".

Divisors: 1 2 4 11 19 22 38 41 44 76 82 121 131 164 209 242 262 418 451 484 524 779 836 902 1441 1558 1804 2299 2489 2882 3116 4598 4961 4978 5371 5764 8569 9196 9922 9956 10742 15851 17138 19844 21484 27379 31702 34276 54758 59081 63404 94259 102049 109516 118162 188518 204098 236324 301169 377036 408196 602338 649891 1122539 1204676 1299782 2245078 2599564 4490156 12347929 24695858 49391716