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1397708 = 221326879
BaseRepresentation
bin101010101001111001100
32122000021222
411111033030
5324211313
645542512
714610644
oct5251714
92560258
101397708
11875134
12574a38
1339c260
14285524
151c9208
hex1553cc

1397708 has 12 divisors (see below), whose sum is σ = 2634240. Its totient is φ = 645072.

The previous prime is 1397681. The next prime is 1397717. The reversal of 1397708 is 8077931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13388 + ... + 13491.

It is an arithmetic number, because the mean of its divisors is an integer number (219520).

21397708 is an apocalyptic number.

It is an amenable number.

1397708 is a deficient number, since it is larger than the sum of its proper divisors (1236532).

1397708 is a wasteful number, since it uses less digits than its factorization.

1397708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26896 (or 26894 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 1397708 is about 1182.2470131068. The cubic root of 1397708 is about 111.8078124091.

The spelling of 1397708 in words is "one million, three hundred ninety-seven thousand, seven hundred eight".

Divisors: 1 2 4 13 26 52 26879 53758 107516 349427 698854 1397708