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1380698 = 21197647
BaseRepresentation
bin101010001000101011010
32121010221222
411101011122
5323140243
645332042
714510234
oct5210532
92533858
101380698
11863380
12567022
133945a7
1427d254
151c4168
hex15115a

1380698 has 16 divisors (see below), whose sum is σ = 2286144. Its totient is φ = 620160.

The previous prime is 1380679. The next prime is 1380707. The reversal of 1380698 is 8960831.

It is a Curzon number.

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, 1811 + ... + 2457.

It is an arithmetic number, because the mean of its divisors is an integer number (142884).

21380698 is an apocalyptic number.

1380698 is a deficient number, since it is larger than the sum of its proper divisors (905446).

1380698 is a wasteful number, since it uses less digits than its factorization.

1380698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1380698 is about 1175.0310634192. The cubic root of 1380698 is about 111.3523957304.

The spelling of 1380698 in words is "one million, three hundred eighty thousand, six hundred ninety-eight".

Divisors: 1 2 11 22 97 194 647 1067 1294 2134 7117 14234 62759 125518 690349 1380698