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1390514 = 2695257
BaseRepresentation
bin101010011011110110010
32121122102112
411103132302
5323444024
645445322
714550656
oct5233662
92548375
101390514
1186a794
12570842
13398bb8
14282a66
151c700e
hex1537b2

1390514 has 4 divisors (see below), whose sum is σ = 2085774. Its totient is φ = 695256.

The previous prime is 1390507. The next prime is 1390517. The reversal of 1390514 is 4150931.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1050625 + 339889 = 1025^2 + 583^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1390514.

It is not an unprimeable number, because it can be changed into a prime (1390517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347627 + ... + 347630.

21390514 is an apocalyptic number.

1390514 is a deficient number, since it is larger than the sum of its proper divisors (695260).

1390514 is an equidigital number, since it uses as much as digits as its factorization.

1390514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695259.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1390514 is about 1179.2005766620. The cubic root of 1390514 is about 111.6156575026.

The spelling of 1390514 in words is "one million, three hundred ninety thousand, five hundred fourteen".

Divisors: 1 2 695257 1390514