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130225800 = 233521271709
BaseRepresentation
bin1111100001100…
…01011010001000
3100002001011012210
413300301122020
5231314211200
620531105120
73140621025
oct760613210
9302034183
10130225800
1167566631
12377421a0
1320c974b3
141341c54c
15b675650
hex7c31688

130225800 has 96 divisors (see below), whose sum is σ = 407116800. Its totient is φ = 34433280.

The previous prime is 130225787. The next prime is 130225813. The reversal of 130225800 is 8522031.

It is an interprime number because it is at equal distance from previous prime (130225787) and next prime (130225813).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75346 + ... + 77054.

It is an arithmetic number, because the mean of its divisors is an integer number (4240800).

Almost surely, 2130225800 is an apocalyptic number.

130225800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130225800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203558400).

130225800 is an abundant number, since it is smaller than the sum of its proper divisors (276891000).

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

130225800 is a wasteful number, since it uses less digits than its factorization.

130225800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 130225800 is about 11411.6519400129. The cubic root of 130225800 is about 506.8728289207.

Adding to 130225800 its reverse (8522031), we get a palindrome (138747831).

The spelling of 130225800 in words is "one hundred thirty million, two hundred twenty-five thousand, eight hundred".