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1349034986 = 213451311497
BaseRepresentation
bin101000001101000…
…1010001111101010
310111000110002002202
41100122022033222
510230323104421
6341510300202
745300415415
oct12032121752
93430402082
101349034986
11632549a52
12317957662
13186646070
14cb246b7c
157d67910b
hex5068a3ea

1349034986 has 16 divisors (see below), whose sum is σ = 2179882824. Its totient is φ = 622439424.

The previous prime is 1349034971. The next prime is 1349034989. The reversal of 1349034986 is 6894309431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 495285025 + 853749961 = 22255^2 + 29219^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1349034986.

It is not an unprimeable number, because it can be changed into a prime (1349034989) 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, 111590 + ... + 123086.

Almost surely, 21349034986 is an apocalyptic number.

1349034986 is a deficient number, since it is larger than the sum of its proper divisors (830847838).

1349034986 is a wasteful number, since it uses less digits than its factorization.

1349034986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16025.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 1349034986 is about 36729.2116169133. The cubic root of 1349034986 is about 1104.9460429691.

The spelling of 1349034986 in words is "one billion, three hundred forty-nine million, thirty-four thousand, nine hundred eighty-six".

Divisors: 1 2 13 26 4513 9026 11497 22994 58669 117338 149461 298922 51885961 103771922 674517493 1349034986