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1397364 = 223116447
BaseRepresentation
bin101010101001001110100
32121222211020
411111021310
5324203424
645541140
714606643
oct5251164
92558736
101397364
11874951
125747b0
1339c057
1428535a
151c9079
hex155274

1397364 has 12 divisors (see below), whose sum is σ = 3260544. Its totient is φ = 465784.

The previous prime is 1397359. The next prime is 1397437. The reversal of 1397364 is 4637931.

1397364 = T385 + T386 + ... + T402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×13973642 = 3905252296992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58212 + ... + 58235.

It is an arithmetic number, because the mean of its divisors is an integer number (271712).

21397364 is an apocalyptic number.

It is an amenable number.

1397364 is an abundant number, since it is smaller than the sum of its proper divisors (1863180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1397364 is a wasteful number, since it uses less digits than its factorization.

1397364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116454 (or 116452 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 1397364 is about 1182.1015184831. The cubic root of 1397364 is about 111.7986390474.

It can be divided in two parts, 139 and 7364, that added together give a triangular number (7503 = T122).

The spelling of 1397364 in words is "one million, three hundred ninety-seven thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 116447 232894 349341 465788 698682 1397364