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2031414020 = 225101570701
BaseRepresentation
bin111100100010100…
…1110101100000100
312020120110112011022
41321011032230010
513130020222040
6533324130312
7101224506566
oct17105165404
95216415138
102031414020
11952753469
12488396998
13264b25b3c
14153b15336
15bd51a6b5
hex7914eb04

2031414020 has 12 divisors (see below), whose sum is σ = 4265969484. Its totient is φ = 812565600.

The previous prime is 2031414019. The next prime is 2031414029. The reversal of 2031414020 is 204141302.

It can be written as a sum of positive squares in 2 ways, for example, as 435890884 + 1595523136 = 20878^2 + 39944^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2031414020.

It is not an unprimeable number, because it can be changed into a prime (2031414029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50785331 + ... + 50785370.

It is an arithmetic number, because the mean of its divisors is an integer number (355497457).

Almost surely, 22031414020 is an apocalyptic number.

2031414020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031414020 is an abundant number, since it is smaller than the sum of its proper divisors (2234555464).

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

2031414020 is a wasteful number, since it uses less digits than its factorization.

2031414020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101570710 (or 101570708 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2031414020 is about 45071.2105450919. The cubic root of 2031414020 is about 1266.4833417358.

Adding to 2031414020 its reverse (204141302), we get a palindrome (2235555322).

The spelling of 2031414020 in words is "two billion, thirty-one million, four hundred fourteen thousand, twenty".

Divisors: 1 2 4 5 10 20 101570701 203141402 406282804 507853505 1015707010 2031414020