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1390852 = 22463751
BaseRepresentation
bin101010011100100000100
32121122220001
411103210010
5324001402
645451044
714551651
oct5234404
92548801
101390852
1186aa71
12570a84
133990b8
14282c28
151c7187
hex153904

1390852 has 12 divisors (see below), whose sum is σ = 2442496. Its totient is φ = 693000.

The previous prime is 1390847. The next prime is 1390859. The reversal of 1390852 is 2580931.

It is a hoax number, since the sum of its digits (28) 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 1390852.

It is not an unprimeable number, because it can be changed into a prime (1390859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1477 + ... + 2227.

21390852 is an apocalyptic number.

It is an amenable number.

1390852 is a deficient number, since it is larger than the sum of its proper divisors (1051644).

1390852 is a wasteful number, since it uses less digits than its factorization.

1390852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1390852 is about 1179.3438853871. The cubic root of 1390852 is about 111.6247004503.

The spelling of 1390852 in words is "one million, three hundred ninety thousand, eight hundred fifty-two".

Divisors: 1 2 4 463 751 926 1502 1852 3004 347713 695426 1390852