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49086340 = 2252454317
BaseRepresentation
bin1011101100111…
…1111110000100
310102100211210121
42323033332010
5100031230330
64512031324
71134140602
oct273177604
9112324717
1049086340
1125787326
1214532544
13a228594
14673a872
15449917a
hex2ecff84

49086340 has 12 divisors (see below), whose sum is σ = 103081356. Its totient is φ = 19634528.

The previous prime is 49086337. The next prime is 49086341. The reversal of 49086340 is 4368094.

It can be written as a sum of positive squares in 2 ways, for example, as 17994564 + 31091776 = 4242^2 + 5576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49086296 and 49086305.

It is not an unprimeable number, because it can be changed into a prime (49086341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227139 + ... + 1227178.

It is an arithmetic number, because the mean of its divisors is an integer number (8590113).

Almost surely, 249086340 is an apocalyptic number.

It is an amenable number.

49086340 is an abundant number, since it is smaller than the sum of its proper divisors (53995016).

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

49086340 is a wasteful number, since it uses less digits than its factorization.

49086340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454326 (or 2454324 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 49086340 is about 7006.1644285586. The cubic root of 49086340 is about 366.1453730890.

The spelling of 49086340 in words is "forty-nine million, eighty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2454317 4908634 9817268 12271585 24543170 49086340