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13148944 = 24821809
BaseRepresentation
bin110010001010…
…001100010000
3220202000221221
4302022030100
511331231234
61145454424
7216523054
oct62121420
926660857
1013148944
117470aa6
1244a1414
132954c53
141a63c64
15124aeb4
hexc8a310

13148944 has 10 divisors (see below), whose sum is σ = 25476110. Its totient is φ = 6574464.

The previous prime is 13148903. The next prime is 13148953. The reversal of 13148944 is 44984131.

It can be written as a sum of positive squares in only one way, i.e., 13046544 + 102400 = 3612^2 + 320^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410889 + ... + 410920.

It is an arithmetic number, because the mean of its divisors is an integer number (2547611).

Almost surely, 213148944 is an apocalyptic number.

It is an amenable number.

13148944 is a deficient number, since it is larger than the sum of its proper divisors (12327166).

13148944 is an equidigital number, since it uses as much as digits as its factorization.

13148944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821817 (or 821811 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 13148944 is about 3626.1472667281. The cubic root of 13148944 is about 236.0280537368.

The spelling of 13148944 in words is "thirteen million, one hundred forty-eight thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 821809 1643618 3287236 6574472 13148944