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1349746838 = 211124949121
BaseRepresentation
bin101000001110011…
…1000000010010110
310111001210020120122
41100130320002112
510231013344323
6341533431542
745306441656
oct12034700226
93431706518
101349746838
11632995860
1231803b5b2
1318683508b
14cb390366
157d769ec8
hex50738096

1349746838 has 16 divisors (see below), whose sum is σ = 2210490000. Its totient is φ = 613017600.

The previous prime is 1349746831. The next prime is 1349746847. The reversal of 1349746838 is 8386479431.

It is a self number, because there is not a number n which added to its sum of digits gives 1349746838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349746831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2918 + ... + 52038.

It is an arithmetic number, because the mean of its divisors is an integer number (138155625).

Almost surely, 21349746838 is an apocalyptic number.

1349746838 is a deficient number, since it is larger than the sum of its proper divisors (860743162).

1349746838 is a wasteful number, since it uses less digits than its factorization.

1349746838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50383.

The product of its digits is 3483648, while the sum is 53.

The square root of 1349746838 is about 36738.9008817629. The cubic root of 1349746838 is about 1105.1403595856.

The spelling of 1349746838 in words is "one billion, three hundred forty-nine million, seven hundred forty-six thousand, eight hundred thirty-eight".

Divisors: 1 2 11 22 1249 2498 13739 27478 49121 98242 540331 1080662 61352129 122704258 674873419 1349746838