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1307136 = 2932337
BaseRepresentation
bin100111111001000000000
32110102001110
410333020000
5313312021
644003320
714052615
oct4771000
92412043
101307136
11813086
12530540
13369c6c
1426050c
151ac476
hex13f200

1307136 has 80 divisors (see below), whose sum is σ = 3731904. Its totient is φ = 405504.

The previous prime is 1307123. The next prime is 1307153. The reversal of 1307136 is 6317031.

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, 35310 + ... + 35346.

21307136 is an apocalyptic number.

1307136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1307136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865952).

1307136 is an abundant number, since it is smaller than the sum of its proper divisors (2424768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1307136 is an equidigital number, since it uses as much as digits as its factorization.

1307136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 1307136 is about 1143.3004854368. The cubic root of 1307136 is about 109.3386209354.

The spelling of 1307136 in words is "one million, three hundred seven thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 37 46 48 64 69 74 92 96 111 128 138 148 184 192 222 256 276 296 368 384 444 512 552 592 736 768 851 888 1104 1184 1472 1536 1702 1776 2208 2368 2553 2944 3404 3552 4416 4736 5106 5888 6808 7104 8832 9472 10212 11776 13616 14208 17664 18944 20424 27232 28416 35328 40848 54464 56832 81696 108928 163392 217856 326784 435712 653568 1307136