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49290647 = 797229317
BaseRepresentation
bin1011110000000…
…1110110010111
310102202020001112
42330001312113
5100104300042
64520245235
71135651340
oct274016627
9112666045
1049290647
112590687a
121461081b
13a29a583
1467910c7
1544d9982
hex2f01d97

49290647 has 16 divisors (see below), whose sum is σ = 57341760. Its totient is φ = 41499648.

The previous prime is 49290613. The next prime is 49290673. The reversal of 49290647 is 74609294.

It is a cyclic number.

It is not a de Polignac number, because 49290647 - 218 = 49028503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49290607) 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, 155333 + ... + 155649.

It is an arithmetic number, because the mean of its divisors is an integer number (3583860).

Almost surely, 249290647 is an apocalyptic number.

49290647 is a deficient number, since it is larger than the sum of its proper divisors (8051113).

49290647 is a wasteful number, since it uses less digits than its factorization.

49290647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 49290647 is about 7020.7298053692. The cubic root of 49290647 is about 366.6526596118.

The spelling of 49290647 in words is "forty-nine million, two hundred ninety thousand, six hundred forty-seven".

Divisors: 1 7 97 229 317 679 1603 2219 22213 30749 72593 155491 215243 508151 7041521 49290647