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1362985 = 51321613
BaseRepresentation
bin101001100110000101001
32120020122221
411030300221
5322103420
645114041
714404501
oct5146051
92506587
101362985
11851038
12558921
13389500
14276a01
151bdcaa
hex14cc29

1362985 has 12 divisors (see below), whose sum is σ = 1772172. Its totient is φ = 1005888.

The previous prime is 1362973. The next prime is 1362989. The reversal of 1362985 is 5892631.

It can be written as a sum of positive squares in 6 ways, for example, as 205209 + 1157776 = 453^2 + 1076^2 .

It is a de Polignac number, because none of the positive numbers 2k-1362985 is a prime.

It is a super-2 number, since 2×13629852 = 3715456220450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1362985.

It is not an unprimeable number, because it can be changed into a prime (1362989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39 + ... + 1651.

It is an arithmetic number, because the mean of its divisors is an integer number (147681).

21362985 is an apocalyptic number.

It is an amenable number.

1362985 is a deficient number, since it is larger than the sum of its proper divisors (409187).

1362985 is a wasteful number, since it uses less digits than its factorization.

1362985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1631 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 1362985 is about 1167.4694856826. The cubic root of 1362985 is about 110.8741641384.

The spelling of 1362985 in words is "one million, three hundred sixty-two thousand, nine hundred eighty-five".

Divisors: 1 5 13 65 169 845 1613 8065 20969 104845 272597 1362985