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13148642 = 2134611097
BaseRepresentation
bin110010001010…
…000111100010
3220202000112202
4302022013202
511331224032
61145453202
7216522143
oct62120742
926660482
1013148642
117470851
1244a1202
132954a80
141a63aca
15124ad62
hexc8a1e2

13148642 has 16 divisors (see below), whose sum is σ = 21305592. Its totient is φ = 6049920.

The previous prime is 13148609. The next prime is 13148651. The reversal of 13148642 is 24684131.

It can be written as a sum of positive squares in 4 ways, for example, as 6497401 + 6651241 = 2549^2 + 2579^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11438 + ... + 12534.

Almost surely, 213148642 is an apocalyptic number.

13148642 is a deficient number, since it is larger than the sum of its proper divisors (8156950).

13148642 is a wasteful number, since it uses less digits than its factorization.

13148642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573.

The product of its digits is 4608, while the sum is 29.

The square root of 13148642 is about 3626.1056244958. The cubic root of 13148642 is about 236.0262467218.

The spelling of 13148642 in words is "thirteen million, one hundred forty-eight thousand, six hundred forty-two".

Divisors: 1 2 13 26 461 922 1097 2194 5993 11986 14261 28522 505717 1011434 6574321 13148642