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1392814430 = 25719897349
BaseRepresentation
bin101001100000100…
…1010100101011110
310121001211022012122
41103001022211132
510323030030210
6350112502542
746341504320
oct12301124536
93531738178
101392814430
11655231107
1232a54aa52
13192733c67
14d2da1610
1582425b55
hex5304a95e

1392814430 has 16 divisors (see below), whose sum is σ = 2865218400. Its totient is φ = 477536352.

The previous prime is 1392814429. The next prime is 1392814439. The reversal of 1392814430 is 344182931.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392814439) 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, 9948605 + ... + 9948744.

It is an arithmetic number, because the mean of its divisors is an integer number (179076150).

Almost surely, 21392814430 is an apocalyptic number.

1392814430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1392814430 is an abundant number, since it is smaller than the sum of its proper divisors (1472403970).

1392814430 is a wasteful number, since it uses less digits than its factorization.

1392814430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19897363.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1392814430 is about 37320.4291240066. The cubic root of 1392814430 is about 1116.7717493249.

The spelling of 1392814430 in words is "one billion, three hundred ninety-two million, eight hundred fourteen thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 19897349 39794698 99486745 139281443 198973490 278562886 696407215 1392814430