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1393925120 = 21057192389
BaseRepresentation
bin101001100010101…
…1001110000000000
310121010220201210022
41103011121300000
510323321100440
6350152353012
746354111430
oct12305316000
93533821708
101393925120
1165591a635
1232a9a5768
13192a32683
14d31b02c0
1582594cb5
hex53159c00

1393925120 has 352 divisors, whose sum is σ = 4244659200. Its totient is φ = 428212224.

The previous prime is 1393925111. The next prime is 1393925123. The reversal of 1393925120 is 215293931.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393925123) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 15662036 + ... + 15662124.

Almost surely, 21393925120 is an apocalyptic number.

1393925120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1393925120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2122329600).

1393925120 is an abundant number, since it is smaller than the sum of its proper divisors (2850734080).

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

1393925120 is a wasteful number, since it uses less digits than its factorization.

1393925120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 1393925120 is about 37335.3066145170. The cubic root of 1393925120 is about 1117.0685243584.

The spelling of 1393925120 in words is "one billion, three hundred ninety-three million, nine hundred twenty-five thousand, one hundred twenty".