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49996405 = 517678779
BaseRepresentation
bin1011111010111…
…0001001110101
310111002002011201
42332232021311
5100244341110
64543332501
71144651054
oct276561165
9114062151
1049996405
1126249048
12148b1131
13a486894
1468d639b
1545c8b3a
hex2fae275

49996405 has 16 divisors (see below), whose sum is σ = 64480320. Its totient is φ = 37078272.

The previous prime is 49996403. The next prime is 49996409. The reversal of 49996405 is 50469994.

It is a cyclic number.

It is not a de Polignac number, because 49996405 - 21 = 49996403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49996403) 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, 1306 + ... + 10084.

It is an arithmetic number, because the mean of its divisors is an integer number (4030020).

Almost surely, 249996405 is an apocalyptic number.

It is an amenable number.

49996405 is a deficient number, since it is larger than the sum of its proper divisors (14483915).

49996405 is a wasteful number, since it uses less digits than its factorization.

49996405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8868.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 49996405 is about 7070.8136024081. The cubic root of 49996405 is about 368.3943202569.

The spelling of 49996405 in words is "forty-nine million, nine hundred ninety-six thousand, four hundred five".

Divisors: 1 5 17 67 85 335 1139 5695 8779 43895 149243 588193 746215 2940965 9999281 49996405