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49489961 = 107631733
BaseRepresentation
bin1011110011001…
…0100000101001
310110010100110112
42330302200221
5100132134321
64524424105
71140441413
oct274624051
9113110415
1049489961
1125a325a4
12146a8035
13a33a201
1468039b3
154528a5b
hex2f32829

49489961 has 8 divisors (see below), whose sum is σ = 50099904. Its totient is φ = 48882960.

The previous prime is 49489943. The next prime is 49489991. The reversal of 49489961 is 16998494.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49489961 - 210 = 49488937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49489931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67151 + ... + 67883.

It is an arithmetic number, because the mean of its divisors is an integer number (6262488).

Almost surely, 249489961 is an apocalyptic number.

It is an amenable number.

49489961 is a deficient number, since it is larger than the sum of its proper divisors (609943).

49489961 is a wasteful number, since it uses less digits than its factorization.

49489961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471.

The product of its digits is 559872, while the sum is 50.

The square root of 49489961 is about 7034.9101628948. The cubic root of 49489961 is about 367.1461996741.

The spelling of 49489961 in words is "forty-nine million, four hundred eighty-nine thousand, nine hundred sixty-one".

Divisors: 1 107 631 733 67517 78431 462523 49489961