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49272251 = 710964577
BaseRepresentation
bin1011101111110…
…1010110111011
310102201021211012
42323331112323
5100103203001
64520024135
71135543610
oct273752673
9112637735
1049272251
11258a3a76
121460204b
13a2920a2
146788507
1544d42bb
hex2efd5bb

49272251 has 8 divisors (see below), whose sum is σ = 56828640. Its totient is φ = 41845248.

The previous prime is 49272229. The next prime is 49272259. The reversal of 49272251 is 15227294.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49272251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49272259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31526 + ... + 33051.

It is an arithmetic number, because the mean of its divisors is an integer number (7103580).

Almost surely, 249272251 is an apocalyptic number.

49272251 is a deficient number, since it is larger than the sum of its proper divisors (7556389).

49272251 is a wasteful number, since it uses less digits than its factorization.

49272251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64693.

The product of its digits is 10080, while the sum is 32.

The square root of 49272251 is about 7019.4195628983. The cubic root of 49272251 is about 366.6070405339.

The spelling of 49272251 in words is "forty-nine million, two hundred seventy-two thousand, two hundred fifty-one".

Divisors: 1 7 109 763 64577 452039 7038893 49272251