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49490719 = 37236151
BaseRepresentation
bin1011110011001…
…0101100011111
310110010101111121
42330302230133
5100132200334
64524431411
71140443545
oct274625437
9113111447
1049490719
1125a33123
12146a8567
13a33a665
146803d95
154528db4
hex2f32b1f

49490719 has 6 divisors (see below), whose sum is σ = 50865864. Its totient is φ = 48151800.

The previous prime is 49490717. The next prime is 49490729. The reversal of 49490719 is 91709494.

It is not a de Polignac number, because 49490719 - 21 = 49490717 is a prime.

It is a super-2 number, since 2×494907192 = 4898662534273922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49490713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16707 + ... + 19444.

It is an arithmetic number, because the mean of its divisors is an integer number (8477644).

Almost surely, 249490719 is an apocalyptic number.

49490719 is a deficient number, since it is larger than the sum of its proper divisors (1375145).

49490719 is an equidigital number, since it uses as much as digits as its factorization.

49490719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36225 (or 36188 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 49490719 is about 7034.9640368661. The cubic root of 49490719 is about 367.1480740974.

The spelling of 49490719 in words is "forty-nine million, four hundred ninety thousand, seven hundred nineteen".

Divisors: 1 37 1369 36151 1337587 49490719