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1396671695 = 5641435779
BaseRepresentation
bin101001100111111…
…1000010011001111
310121100002021101022
41103033320103033
510330021443240
6350331304355
746416341066
oct12317702317
93540067338
101396671695
11657426131
1232b8ab0bb
13193484873
14d36c71dd
15829389b5
hex533f84cf

1396671695 has 8 divisors (see below), whose sum is σ = 1678624560. Its totient is φ = 1115591680.

The previous prime is 1396671649. The next prime is 1396671701. The reversal of 1396671695 is 5961766931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1396671695 - 28 = 1396671439 is a prime.

It is a super-2 number, since 2×13966716952 = 3901383647228346050, 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 7 ways as a sum of consecutive naturals, for example, 214685 + ... + 221094.

It is an arithmetic number, because the mean of its divisors is an integer number (209828070).

Almost surely, 21396671695 is an apocalyptic number.

1396671695 is a deficient number, since it is larger than the sum of its proper divisors (281952865).

1396671695 is an equidigital number, since it uses as much as digits as its factorization.

1396671695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436425.

The product of its digits is 1837080, while the sum is 53.

The square root of 1396671695 is about 37372.0710558032. The cubic root of 1396671695 is about 1117.8017295873.

The spelling of 1396671695 in words is "one billion, three hundred ninety-six million, six hundred seventy-one thousand, six hundred ninety-five".

Divisors: 1 5 641 3205 435779 2178895 279334339 1396671695