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49986492 = 22319271809
BaseRepresentation
bin1011111010101…
…1101110111100
310111001120120120
42332223232330
5100244031432
64543214540
71144610133
oct276535674
9114046516
1049986492
1126241656
12148a7450
13a48220a
1468d291a
1545c5c2c
hex2fabbbc

49986492 has 48 divisors (see below), whose sum is σ = 123379200. Its totient is φ = 15707520.

The previous prime is 49986487. The next prime is 49986493. The reversal of 49986492 is 29468994.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49986493) 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, 61384 + ... + 62192.

It is an arithmetic number, because the mean of its divisors is an integer number (2570400).

Almost surely, 249986492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49986492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61689600).

49986492 is an abundant number, since it is smaller than the sum of its proper divisors (73392708).

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

49986492 is a wasteful number, since it uses less digits than its factorization.

49986492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1104 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 49986492 is about 7070.1125875052. The cubic root of 49986492 is about 368.3699709443.

The spelling of 49986492 in words is "forty-nine million, nine hundred eighty-six thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 271 542 809 813 1084 1618 1626 2427 3236 3252 4854 5149 9708 10298 15371 15447 20596 30742 30894 46113 61484 61788 92226 184452 219239 438478 657717 876956 1315434 2630868 4165541 8331082 12496623 16662164 24993246 49986492