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1402832020 = 225149470749
BaseRepresentation
bin101001110011101…
…1000010010010100
310121202200020202111
41103213120102110
510333111111040
6351111320404
746522606162
oct12347302224
93552606674
101402832020
1165a953507
12331980104
13194830825
14d444c232
1583253dea
hex539d8494

1402832020 has 24 divisors (see below), whose sum is σ = 2965725000. Its totient is φ = 557365632.

The previous prime is 1402832017. The next prime is 1402832029. The reversal of 1402832020 is 202382041.

It can be written as a sum of positive squares in 4 ways, for example, as 199713424 + 1203118596 = 14132^2 + 34686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1402831982 and 1402832000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402832029) 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, 232395 + ... + 238354.

It is an arithmetic number, because the mean of its divisors is an integer number (123571875).

Almost surely, 21402832020 is an apocalyptic number.

1402832020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402832020 is an abundant number, since it is smaller than the sum of its proper divisors (1562892980).

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

1402832020 is a wasteful number, since it uses less digits than its factorization.

1402832020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470907 (or 470905 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1402832020 is about 37454.3992075697. The cubic root of 1402832020 is about 1119.4427553200.

The spelling of 1402832020 in words is "one billion, four hundred two million, eight hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 470749 941498 1882996 2353745 4707490 9414980 70141601 140283202 280566404 350708005 701416010 1402832020