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49261693 = 133789361
BaseRepresentation
bin1011101111101…
…0110001111101
310102200202100011
42323322301331
5100102333233
64515503221
71135501045
oct273726175
9112622304
1049261693
1125897048
12145b7b11
13a28a340
146784725
1544d10cd
hex2efac7d

49261693 has 4 divisors (see below), whose sum is σ = 53051068. Its totient is φ = 45472320.

The previous prime is 49261673. The next prime is 49261711. The reversal of 49261693 is 39616294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39616294 = 219808147.

It can be written as a sum of positive squares in 2 ways, for example, as 5938969 + 43322724 = 2437^2 + 6582^2 .

It is a cyclic number.

It is not a de Polignac number, because 49261693 - 29 = 49261181 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 (49261613) 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, 1894668 + ... + 1894693.

It is an arithmetic number, because the mean of its divisors is an integer number (13262767).

Almost surely, 249261693 is an apocalyptic number.

It is an amenable number.

49261693 is a deficient number, since it is larger than the sum of its proper divisors (3789375).

49261693 is a wasteful number, since it uses less digits than its factorization.

49261693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789374.

The product of its digits is 69984, while the sum is 40.

The square root of 49261693 is about 7018.6674661220. The cubic root of 49261693 is about 366.5808532882.

The spelling of 49261693 in words is "forty-nine million, two hundred sixty-one thousand, six hundred ninety-three".

Divisors: 1 13 3789361 49261693