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5131400 = 235225657
BaseRepresentation
bin10011100100110010001000
3100122200221212
4103210302020
52303201100
6301552252
761421231
oct23446210
910580855
105131400
11299532a
121875688
1310a8841
14978088
156b5635
hex4e4c88

5131400 has 24 divisors (see below), whose sum is σ = 11930970. Its totient is φ = 2052480.

The previous prime is 5131367. The next prime is 5131417. The reversal of 5131400 is 41315.

It can be written as a sum of positive squares in 3 ways, for example, as 3319684 + 1811716 = 1822^2 + 1346^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12629 + ... + 13028.

Almost surely, 25131400 is an apocalyptic number.

5131400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5131400 is an abundant number, since it is smaller than the sum of its proper divisors (6799570).

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

5131400 is a wasteful number, since it uses less digits than its factorization.

5131400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25673 (or 25664 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 5131400 is about 2265.2593670483. The cubic root of 5131400 is about 172.4825999392.

Adding to 5131400 its reverse (41315), we get a palindrome (5172715).

The spelling of 5131400 in words is "five million, one hundred thirty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 25657 51314 102628 128285 205256 256570 513140 641425 1026280 1282850 2565700 5131400