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49933009 = 721099349
BaseRepresentation
bin1011111001111…
…0101011010001
310110221212012201
42332132223101
5100240324014
64542123201
71144265200
oct276365321
9113855181
1049933009
1126205455
1214880501
13a463a79
1468bb237
1545b4e74
hex2f9ead1

49933009 has 12 divisors (see below), whose sum is σ = 58624500. Its totient is φ = 42402528.

The previous prime is 49932991. The next prime is 49933027. The reversal of 49933009 is 90033994.

It is an interprime number because it is at equal distance from previous prime (49932991) and next prime (49933027).

It can be written as a sum of positive squares in 2 ways, for example, as 39337984 + 10595025 = 6272^2 + 3255^2 .

It is not a de Polignac number, because 49933009 - 29 = 49932497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49934009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667 + ... + 10015.

It is an arithmetic number, because the mean of its divisors is an integer number (4885375).

Almost surely, 249933009 is an apocalyptic number.

49933009 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

49933009 is a deficient number, since it is larger than the sum of its proper divisors (8691491).

49933009 is a wasteful number, since it uses less digits than its factorization.

49933009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472 (or 9465 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 49933009 is about 7066.3292450890. The cubic root of 49933009 is about 368.2385450258.

The spelling of 49933009 in words is "forty-nine million, nine hundred thirty-three thousand, nine".

Divisors: 1 7 49 109 763 5341 9349 65443 458101 1019041 7133287 49933009