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1398922968 = 23358288457
BaseRepresentation
bin101001101100001…
…1101111011011000
310121111022122112210
41103120131323120
510331111013333
6350451435120
746444435422
oct12330357330
93544278483
101398922968
11658723593
123305b5aa0
13193a92491
14d3b11812
1582c30a63
hex5361ded8

1398922968 has 16 divisors (see below), whose sum is σ = 3497307480. Its totient is φ = 466307648.

The previous prime is 1398922961. The next prime is 1398923003. The reversal of 1398922968 is 8692298931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398922961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29144205 + ... + 29144252.

Almost surely, 21398922968 is an apocalyptic number.

It is an amenable number.

1398922968 is an abundant number, since it is smaller than the sum of its proper divisors (2098384512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1398922968 is a wasteful number, since it uses less digits than its factorization.

1398922968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58288466 (or 58288462 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 57.

The square root of 1398922968 is about 37402.1786531213. The cubic root of 1398922968 is about 1118.4019961549.

The spelling of 1398922968 in words is "one billion, three hundred ninety-eight million, nine hundred twenty-two thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 58288457 116576914 174865371 233153828 349730742 466307656 699461484 1398922968