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49793457 = 372338731
BaseRepresentation
bin1011110111110…
…0100110110001
310110200202210010
42331330212301
5100221342312
64535125133
71143144300
oct275744661
9113622703
1049793457
112611a61a
12148137a9
13a4153ac
146882437
15458893c
hex2f7c9b1

49793457 has 12 divisors (see below), whose sum is σ = 77230896. Its totient is φ = 28453320.

The previous prime is 49793437. The next prime is 49793461. The reversal of 49793457 is 75439794.

It is a happy number.

It is not a de Polignac number, because 49793457 - 28 = 49793201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49793437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169219 + ... + 169512.

It is an arithmetic number, because the mean of its divisors is an integer number (6435908).

Almost surely, 249793457 is an apocalyptic number.

It is an amenable number.

49793457 is a deficient number, since it is larger than the sum of its proper divisors (27437439).

49793457 is a wasteful number, since it uses less digits than its factorization.

49793457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338748 (or 338741 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 49793457 is about 7056.4479024506. The cubic root of 49793457 is about 367.8951758189.

The spelling of 49793457 in words is "forty-nine million, seven hundred ninety-three thousand, four hundred fifty-seven".

Divisors: 1 3 7 21 49 147 338731 1016193 2371117 7113351 16597819 49793457