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49408469 = 114491679
BaseRepresentation
bin1011110001111…
…0100111010101
310102222012200022
42330132213111
5100122032334
64522554525
71136652005
oct274364725
9112865608
1049408469
1125987350
1214668a45
13a30c0a6
1467c2005
15450e82e
hex2f1e9d5

49408469 has 4 divisors (see below), whose sum is σ = 53900160. Its totient is φ = 44916780.

The previous prime is 49408441. The next prime is 49408487. The reversal of 49408469 is 96480494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49408469 - 216 = 49342933 is a prime.

It is a super-2 number, since 2×494084692 = 4882393617847922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49408169) 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, 2245829 + ... + 2245850.

It is an arithmetic number, because the mean of its divisors is an integer number (13475040).

Almost surely, 249408469 is an apocalyptic number.

It is an amenable number.

49408469 is a deficient number, since it is larger than the sum of its proper divisors (4491691).

49408469 is a wasteful number, since it uses less digits than its factorization.

49408469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491690.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 49408469 is about 7029.1158049928. The cubic root of 49408469 is about 366.9445701267.

The spelling of 49408469 in words is "forty-nine million, four hundred eight thousand, four hundred sixty-nine".

Divisors: 1 11 4491679 49408469