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1381252 = 221272719
BaseRepresentation
bin101010001001110000100
32121011201111
411101032010
5323200002
645334404
714511655
oct5211604
92534644
101381252
11863834
12567404
13394912
1427d52c
151c43d7
hex151384

1381252 has 12 divisors (see below), whose sum is σ = 2437120. Its totient is φ = 684936.

The previous prime is 1381231. The next prime is 1381271. The reversal of 1381252 is 2521831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852 + ... + 1867.

21381252 is an apocalyptic number.

It is an amenable number.

1381252 is a deficient number, since it is larger than the sum of its proper divisors (1055868).

1381252 is a wasteful number, since it uses less digits than its factorization.

1381252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850 (or 2848 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 1381252 is about 1175.2667782253. The cubic root of 1381252 is about 111.3672869854.

The spelling of 1381252 in words is "one million, three hundred eighty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 127 254 508 2719 5438 10876 345313 690626 1381252