Search a number
-
+
2056015420 = 2252572691487
BaseRepresentation
bin111101010001100…
…0100111000111100
312022021202101221021
41322203010320330
513202314443140
6540003313524
7101643562024
oct17243047074
95267671837
102056015420
119656268a8
1249467b8a4
13269c5a794
141570baa84
15c0779b4a
hex7a8c4e3c

2056015420 has 48 divisors (see below), whose sum is σ = 4353471360. Its totient is φ = 815611904.

The previous prime is 2056015417. The next prime is 2056015453. The reversal of 2056015420 is 245106502.

It is a super-3 number, since 3×20560154203 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381917 + ... + 1383403.

It is an arithmetic number, because the mean of its divisors is an integer number (90697320).

Almost surely, 22056015420 is an apocalyptic number.

2056015420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056015420 is an abundant number, since it is smaller than the sum of its proper divisors (2297455940).

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

2056015420 is a wasteful number, since it uses less digits than its factorization.

2056015420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2056015420 is about 45343.3062314604. The cubic root of 2056015420 is about 1271.5754148695.

The spelling of 2056015420 in words is "two billion, fifty-six million, fifteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 257 269 514 538 1028 1076 1285 1345 1487 2570 2690 2974 5140 5380 5948 7435 14870 29740 69133 138266 276532 345665 382159 400003 691330 764318 800006 1382660 1528636 1600012 1910795 2000015 3821590 4000030 7643180 8000060 102800771 205601542 411203084 514003855 1028007710 2056015420