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49913493 = 371012233
BaseRepresentation
bin1011111001100…
…1111010010101
310110220212102220
42332121322111
5100234212433
64541452553
71144154250
oct276317225
9113825386
1049913493
11261a1823
1214871159
13a457c16
1468b4097
1545ae2b3
hex2f99e95

49913493 has 24 divisors (see below), whose sum is σ = 77148864. Its totient is φ = 28118400.

The previous prime is 49913471. The next prime is 49913509. The reversal of 49913493 is 39431994.

It is not a de Polignac number, because 49913493 - 214 = 49897109 is a prime.

It is a super-2 number, since 2×499134932 = 4982713566922098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49913443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214105 + ... + 214337.

It is an arithmetic number, because the mean of its divisors is an integer number (3214536).

Almost surely, 249913493 is an apocalyptic number.

It is an amenable number.

49913493 is a deficient number, since it is larger than the sum of its proper divisors (27235371).

49913493 is a wasteful number, since it uses less digits than its factorization.

49913493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 344 counting only the distinct ones).

The product of its digits is 104976, while the sum is 42.

The square root of 49913493 is about 7064.9481951392. The cubic root of 49913493 is about 368.1905642073.

The spelling of 49913493 in words is "forty-nine million, nine hundred thirteen thousand, four hundred ninety-three".

Divisors: 1 3 7 21 101 233 303 699 707 1631 2121 4893 10201 23533 30603 70599 71407 164731 214221 494193 2376833 7130499 16637831 49913493