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1392814080 = 211325717127
BaseRepresentation
bin101001100000100…
…1010100000000000
310121001211021201200
41103001022200000
510323030022310
6350112501200
746341503310
oct12301124000
93531737650
101392814080
11655230919
1232a54a800
13192733a58
14d2da1440
15824259c0
hex5304a800

1392814080 has 576 divisors, whose sum is σ = 5887365120. Its totient is φ = 297271296.

The previous prime is 1392814079. The next prime is 1392814091. The reversal of 1392814080 is 804182931.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×13928140802 = 3879862122892492800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10966977 + ... + 10967103.

It is an arithmetic number, because the mean of its divisors is an integer number (10221120).

Almost surely, 21392814080 is an apocalyptic number.

1392814080 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 1392814080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2943682560).

1392814080 is an abundant number, since it is smaller than the sum of its proper divisors (4494551040).

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

1392814080 is a wasteful number, since it uses less digits than its factorization.

1392814080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1392814080 is about 37320.4244348855. The cubic root of 1392814080 is about 1116.7716557804.

The spelling of 1392814080 in words is "one billion, three hundred ninety-two million, eight hundred fourteen thousand, eighty".