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49909419 = 337264071
BaseRepresentation
bin1011111001100…
…0111010101011
310110220122212000
42332120322223
5100234100134
64541422043
71144136340
oct276307253
9113818760
1049909419
112619975a
121486a923
13a456101
1468b27c7
1545ace99
hex2f98eab

49909419 has 16 divisors (see below), whose sum is σ = 84503040. Its totient is φ = 28519560.

The previous prime is 49909417. The next prime is 49909421. The reversal of 49909419 is 91490994.

It is an interprime number because it is at equal distance from previous prime (49909417) and next prime (49909421).

It is not a de Polignac number, because 49909419 - 21 = 49909417 is a prime.

It is a super-2 number, since 2×499094192 = 4981900209835122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49909417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131847 + ... + 132224.

It is an arithmetic number, because the mean of its divisors is an integer number (5281440).

Almost surely, 249909419 is an apocalyptic number.

49909419 is a deficient number, since it is larger than the sum of its proper divisors (34593621).

49909419 is a wasteful number, since it uses less digits than its factorization.

49909419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264087 (or 264081 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 49909419 is about 7064.6598644238. The cubic root of 49909419 is about 368.1805465475.

The spelling of 49909419 in words is "forty-nine million, nine hundred nine thousand, four hundred nineteen".

Divisors: 1 3 7 9 21 27 63 189 264071 792213 1848497 2376639 5545491 7129917 16636473 49909419