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49240890 = 2325547121
BaseRepresentation
bin1011101111010…
…1101100111010
310102122200210200
42323311230322
5100101202030
64515223030
71135353306
oct273655472
9112580720
1049240890
1125882456
12145a7a76
13a280a2a
14677ad06
1544c9d60
hex2ef5b3a

49240890 has 24 divisors (see below), whose sum is σ = 128026548. Its totient is φ = 13130880.

The previous prime is 49240883. The next prime is 49240897. The reversal of 49240890 is 9804294.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49240883) and next prime (49240897).

It can be written as a sum of positive squares in 2 ways, for example, as 49238289 + 2601 = 7017^2 + 51^2 .

It is not an unprimeable number, because it can be changed into a prime (49240897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273471 + ... + 273650.

Almost surely, 249240890 is an apocalyptic number.

49240890 is an abundant number, since it is smaller than the sum of its proper divisors (78785658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49240890 is a wasteful number, since it uses less digits than its factorization.

49240890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547134 (or 547131 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 49240890 is about 7017.1853331660. The cubic root of 49240890 is about 366.5292441862.

The spelling of 49240890 in words is "forty-nine million, two hundred forty thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 547121 1094242 1641363 2735605 3282726 4924089 5471210 8206815 9848178 16413630 24620445 49240890