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49091079 = 3194320029
BaseRepresentation
bin1011101101000…
…1001000000111
310102101002022010
42323101020013
5100031403304
64512105303
71134160452
oct273211007
9112332263
1049091079
112578a944
1214535233
13a22a79b
14673c499
15449a789
hex2ed1207

49091079 has 16 divisors (see below), whose sum is σ = 70505600. Its totient is φ = 30282336.

The previous prime is 49091069. The next prime is 49091083. The reversal of 49091079 is 97019094.

It is not a de Polignac number, because 49091079 - 29 = 49090567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49091059) 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, 7564 + ... + 12465.

It is an arithmetic number, because the mean of its divisors is an integer number (4406600).

Almost surely, 249091079 is an apocalyptic number.

49091079 is a deficient number, since it is larger than the sum of its proper divisors (21414521).

49091079 is a wasteful number, since it uses less digits than its factorization.

49091079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20094.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 49091079 is about 7006.5026225643. The cubic root of 49091079 is about 366.1571557770.

The spelling of 49091079 in words is "forty-nine million, ninety-one thousand, seventy-nine".

Divisors: 1 3 19 43 57 129 817 2451 20029 60087 380551 861247 1141653 2583741 16363693 49091079