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1396819007 = 15133127947
BaseRepresentation
bin101001101000001…
…1100010000111111
310121100100202110022
41103100130100333
510330041202012
6350334402355
746420523423
oct12320342077
93540322408
101396819007
11657516881
1232b9603bb
1319350692c
14d3724b83
1582967472
hex5341c43f

1396819007 has 8 divisors (see below), whose sum is σ = 1410367872. Its totient is φ = 1383327000.

The previous prime is 1396818971. The next prime is 1396819019. The reversal of 1396819007 is 7009186931.

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

It is a cyclic number.

It is not a de Polignac number, because 1396819007 - 214 = 1396802623 is a prime.

It is a super-2 number, since 2×13968190072 = 3902206676632932098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396819057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36008 + ... + 63954.

It is an arithmetic number, because the mean of its divisors is an integer number (176295984).

Almost surely, 21396819007 is an apocalyptic number.

1396819007 is a deficient number, since it is larger than the sum of its proper divisors (13548865).

1396819007 is a wasteful number, since it uses less digits than its factorization.

1396819007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28429.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 1396819007 is about 37374.0418873849. The cubic root of 1396819007 is about 1117.8410277321.

The spelling of 1396819007 in words is "one billion, three hundred ninety-six million, eight hundred nineteen thousand, seven".

Divisors: 1 151 331 27947 49981 4219997 9250457 1396819007