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49949072 = 243121817
BaseRepresentation
bin1011111010001…
…0100110010000
310110222200020122
42332202212100
5100241332242
64542325412
71144363055
oct276424620
9113880218
1049949072
1126216528
1214889868
13a46b184
1468c302c
1545b9ad2
hex2fa2990

49949072 has 10 divisors (see below), whose sum is σ = 96776358. Its totient is φ = 24974528.

The previous prime is 49949071. The next prime is 49949087. The reversal of 49949072 is 27094994.

It can be written as a sum of positive squares in only one way, i.e., 38142976 + 11806096 = 6176^2 + 3436^2 .

It is a super-2 number, since 2×499490722 = 4989819587322368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49949071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560893 + ... + 1560924.

Almost surely, 249949072 is an apocalyptic number.

It is an amenable number.

49949072 is a deficient number, since it is larger than the sum of its proper divisors (46827286).

49949072 is a wasteful number, since it uses less digits than its factorization.

49949072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121825 (or 3121819 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 49949072 is about 7067.4657409852. The cubic root of 49949072 is about 368.2780271353.

The spelling of 49949072 in words is "forty-nine million, nine hundred forty-nine thousand, seventy-two".

Divisors: 1 2 4 8 16 3121817 6243634 12487268 24974536 49949072