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1390419 = 33232239
BaseRepresentation
bin101010011011101010011
32121122022000
411103131103
5323443134
645445043
714550462
oct5233523
92548260
101390419
1186a708
12570783
13398b44
142829d9
151c6e99
hex153753

1390419 has 16 divisors (see below), whose sum is σ = 2150400. Its totient is φ = 886248.

The previous prime is 1390409. The next prime is 1390421. The reversal of 1390419 is 9140931.

It is not a de Polignac number, because 1390419 - 25 = 1390387 is a prime.

It is a super-2 number, since 2×13904192 = 3866529991122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1390392 and 1390401.

It is not an unprimeable number, because it can be changed into a prime (1390409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499 + ... + 1740.

It is an arithmetic number, because the mean of its divisors is an integer number (134400).

21390419 is an apocalyptic number.

1390419 is a deficient number, since it is larger than the sum of its proper divisors (759981).

1390419 is a wasteful number, since it uses less digits than its factorization.

1390419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271 (or 2265 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1390419 is about 1179.1602944469. The cubic root of 1390419 is about 111.6131155819.

The spelling of 1390419 in words is "one million, three hundred ninety thousand, four hundred nineteen".

Divisors: 1 3 9 23 27 69 207 621 2239 6717 20151 51497 60453 154491 463473 1390419