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1390964 = 22438087
BaseRepresentation
bin101010011100101110100
32121200001012
411103211310
5324002324
645451352
714552201
oct5234564
92550035
101390964
11870063
12570b58
13399173
14282ca8
151c720e
hex153974

1390964 has 12 divisors (see below), whose sum is σ = 2491104. Its totient is φ = 679224.

The previous prime is 1390937. The next prime is 1390967. The reversal of 1390964 is 4690931.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1390964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3872 + ... + 4215.

It is an arithmetic number, because the mean of its divisors is an integer number (207592).

21390964 is an apocalyptic number.

It is an amenable number.

1390964 is a deficient number, since it is larger than the sum of its proper divisors (1100140).

1390964 is a wasteful number, since it uses less digits than its factorization.

1390964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8134 (or 8132 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1390964 is about 1179.3913684609. The cubic root of 1390964 is about 111.6276966068.

The spelling of 1390964 in words is "one million, three hundred ninety thousand, nine hundred sixty-four".

Divisors: 1 2 4 43 86 172 8087 16174 32348 347741 695482 1390964