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223042325 = 521136703
BaseRepresentation
bin11010100101101…
…01101100010101
3120112200201112212
431102311230111
5424044323300
634044323205
75345554112
oct1522655425
9515621485
10223042325
111049a1000
1262843505
133729440c
142189d909
15148ab935
hexd4b5b15

223042325 has 24 divisors (see below), whose sum is σ = 304254336. Its totient is φ = 162188400.

The previous prime is 223042321. The next prime is 223042357. The reversal of 223042325 is 523240322.

It is not a de Polignac number, because 223042325 - 22 = 223042321 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223042325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223042321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29924 + ... + 36626.

It is an arithmetic number, because the mean of its divisors is an integer number (12677264).

Almost surely, 2223042325 is an apocalyptic number.

223042325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223042325 is a deficient number, since it is larger than the sum of its proper divisors (81212011).

223042325 is an equidigital number, since it uses as much as digits as its factorization.

223042325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746 (or 6719 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 223042325 is about 14934.6016016498. The cubic root of 223042325 is about 606.4510623713.

Adding to 223042325 its reverse (523240322), we get a palindrome (746282647).

The spelling of 223042325 in words is "two hundred twenty-three million, forty-two thousand, three hundred twenty-five".

Divisors: 1 5 11 25 55 121 275 605 1331 3025 6655 6703 33275 33515 73733 167575 368665 811063 1843325 4055315 8921693 20276575 44608465 223042325