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2538231400 = 2352106311939
BaseRepresentation
bin1001011101001010…
…0101011001101000
320112220010111220101
42113102211121220
520144241401100
61055511035144
7116620416355
oct22722453150
96486114811
102538231400
111092846901
125aa06bab4
13315b26c93
141a116362c
15ecc7d86a
hex974a5668

2538231400 has 48 divisors (see below), whose sum is σ = 5907434400. Its totient is φ = 1014252480.

The previous prime is 2538231349. The next prime is 2538231431. The reversal of 2538231400 is 41328352.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206631 + ... + 218569.

It is an arithmetic number, because the mean of its divisors is an integer number (123071550).

Almost surely, 22538231400 is an apocalyptic number.

2538231400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538231400 is an abundant number, since it is smaller than the sum of its proper divisors (3369203000).

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

2538231400 is a wasteful number, since it uses less digits than its factorization.

2538231400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13018 (or 13009 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2538231400 is about 50380.8634304733. The cubic root of 2538231400 is about 1364.0922372646.

Adding to 2538231400 its reverse (41328352), we get a palindrome (2579559752).

It can be divided in two parts, 253 and 8231400, that added together give a triangular number (8231653 = T4057).

The spelling of 2538231400 in words is "two billion, five hundred thirty-eight million, two hundred thirty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1063 2126 4252 5315 8504 10630 11939 21260 23878 26575 42520 47756 53150 59695 95512 106300 119390 212600 238780 298475 477560 596950 1193900 2387800 12691157 25382314 50764628 63455785 101529256 126911570 253823140 317278925 507646280 634557850 1269115700 2538231400