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1390698616 = 231924473739
BaseRepresentation
bin101001011100100…
…0110000001111000
310120220211210212011
41102321012001320
510322004323431
6345555255304
746314512626
oct12271060170
93526753764
101390698616
116540164aa
123298aa534
13192172bb8
14d29b0516
1582158cb1
hex52e46078

1390698616 has 32 divisors (see below), whose sum is σ = 2746656000. Its totient is φ = 658306656.

The previous prime is 1390698607. The next prime is 1390698623. The reversal of 1390698616 is 6168960931.

It is a self number, because there is not a number n which added to its sum of digits gives 1390698616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370075 + ... + 373813.

It is an arithmetic number, because the mean of its divisors is an integer number (85833000).

Almost surely, 21390698616 is an apocalyptic number.

It is an amenable number.

1390698616 is a deficient number, since it is larger than the sum of its proper divisors (1355957384).

1390698616 is a wasteful number, since it uses less digits than its factorization.

1390698616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211 (or 6207 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 1390698616 is about 37292.0717579488. The cubic root of 1390698616 is about 1116.2059695291.

The spelling of 1390698616 in words is "one billion, three hundred ninety million, six hundred ninety-eight thousand, six hundred sixteen".

Divisors: 1 2 4 8 19 38 76 152 2447 3739 4894 7478 9788 14956 19576 29912 46493 71041 92986 142082 185972 284164 371944 568328 9149333 18298666 36597332 73194664 173837327 347674654 695349308 1390698616