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25300900 = 22525032
BaseRepresentation
bin110000010000…
…0111110100100
31202121102022101
41200200332210
522434112100
62302141444
7425024362
oct140407644
952542271
1025300900
1113310a39
128581884
13531b161
143508632
15234b86a
hex1820fa4

25300900 has 27 divisors (see below), whose sum is σ = 55012321. Its totient is φ = 10100240.

The previous prime is 25300889. The next prime is 25300901. The reversal of 25300900 is 900352.

The square root of 25300900 is 5030.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9108324 + 16192576 = 3018^2 + 4024^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25300901) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 50049 + ... + 50551.

Almost surely, 225300900 is an apocalyptic number.

25300900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

25300900 is the 5030-th square number.

It is an amenable number.

25300900 is an abundant number, since it is smaller than the sum of its proper divisors (29711421).

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

25300900 is an equidigital number, since it uses as much as digits as its factorization.

25300900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The cubic root of 25300900 is about 293.5702144176.

The spelling of 25300900 in words is "twenty-five million, three hundred thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 503 1006 2012 2515 5030 10060 12575 25150 50300 253009 506018 1012036 1265045 2530090 5060180 6325225 12650450 25300900