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234320525 = 5210319091
BaseRepresentation
bin11011111011101…
…11001010001101
3121022220201022222
431331313022031
5434441224100
635130145125
75543456135
oct1575671215
9538821288
10234320525
111102a452a
12665821a5
13397129ca
1423197ac5
1515888485
hexdf7728d

234320525 has 12 divisors (see below), whose sum is σ = 290871264. Its totient is φ = 187254000.

The previous prime is 234320509. The next prime is 234320531. The reversal of 234320525 is 525023432.

It is not a de Polignac number, because 234320525 - 24 = 234320509 is a prime.

It is a super-2 number, since 2×2343205252 = 109812216872551250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234320494 and 234320503.

It is a congruent number.

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, 21230 + ... + 30320.

It is an arithmetic number, because the mean of its divisors is an integer number (24239272).

Almost surely, 2234320525 is an apocalyptic number.

234320525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

234320525 is a deficient number, since it is larger than the sum of its proper divisors (56550739).

234320525 is a wasteful number, since it uses less digits than its factorization.

234320525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10132 (or 10127 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 234320525 is about 15307.5316429528. The cubic root of 234320525 is about 616.5052470937.

Adding to 234320525 its reverse (525023432), we get a palindrome (759343957).

The spelling of 234320525 in words is "two hundred thirty-four million, three hundred twenty thousand, five hundred twenty-five".

Divisors: 1 5 25 1031 5155 9091 25775 45455 227275 9372821 46864105 234320525