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49940567 = 232171329
BaseRepresentation
bin1011111010000…
…0100001010111
310110222020120122
42332200201113
5100241044232
64542222155
71144326215
oct276404127
9113866518
1049940567
11262100a6
121488495b
13a467341
1468bdcb5
1545b7312
hex2fa0857

49940567 has 4 divisors (see below), whose sum is σ = 52111920. Its totient is φ = 47769216.

The previous prime is 49940557. The next prime is 49940573. The reversal of 49940567 is 76504994.

49940567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76504994 = 238252497.

It is a cyclic number.

It is not a de Polignac number, because 49940567 - 24 = 49940551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49940507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085642 + ... + 1085687.

It is an arithmetic number, because the mean of its divisors is an integer number (13027980).

Almost surely, 249940567 is an apocalyptic number.

49940567 is a deficient number, since it is larger than the sum of its proper divisors (2171353).

49940567 is a wasteful number, since it uses less digits than its factorization.

49940567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171352.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 49940567 is about 7066.8640145400. The cubic root of 49940567 is about 368.2571232941.

The spelling of 49940567 in words is "forty-nine million, nine hundred forty thousand, five hundred sixty-seven".

Divisors: 1 23 2171329 49940567