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1312372 = 22328093
BaseRepresentation
bin101000000011001110100
32110200020101
411000121310
5313443442
644043444
714104105
oct5003164
92420211
101312372
11817006
12533584
1336c469
142623ac
151adcb7
hex140674

1312372 has 6 divisors (see below), whose sum is σ = 2296658. Its totient is φ = 656184.

The previous prime is 1312351. The next prime is 1312373. The reversal of 1312372 is 2732131.

It can be written as a sum of positive squares in only one way, i.e., 992016 + 320356 = 996^2 + 566^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164043 + ... + 164050.

21312372 is an apocalyptic number.

It is an amenable number.

1312372 is a deficient number, since it is larger than the sum of its proper divisors (984286).

1312372 is a wasteful number, since it uses less digits than its factorization.

1312372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328097 (or 328095 counting only the distinct ones).

The product of its digits is 252, while the sum is 19.

The square root of 1312372 is about 1145.5880585970. The cubic root of 1312372 is about 109.4844191532.

The spelling of 1312372 in words is "one million, three hundred twelve thousand, three hundred seventy-two".

Divisors: 1 2 4 328093 656186 1312372