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23010325 = 5213101701
BaseRepresentation
bin101011111000…
…1110000010101
31121022001020021
41113301300111
521342312300
62141105141
7366404332
oct127616025
947261207
1023010325
1111a96aa8
1278581b1
1349c86a0
1430ad989
152047d1a
hex15f1c15

23010325 has 24 divisors (see below), whose sum is σ = 31076136. Its totient is φ = 16800000.

The previous prime is 23010313. The next prime is 23010329. The reversal of 23010325 is 52301032.

It can be written as a sum of positive squares in 12 ways, for example, as 1238769 + 21771556 = 1113^2 + 4666^2 .

It is not a de Polignac number, because 23010325 - 25 = 23010293 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 23010299 and 23010308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23010329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32475 + ... + 33175.

It is an arithmetic number, because the mean of its divisors is an integer number (1294839).

Almost surely, 223010325 is an apocalyptic number.

23010325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23010325 is a deficient number, since it is larger than the sum of its proper divisors (8065811).

23010325 is a wasteful number, since it uses less digits than its factorization.

23010325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 23010325 is about 4796.9078581937. The cubic root of 23010325 is about 284.4292465850.

Adding to 23010325 its reverse (52301032), we get a palindrome (75311357).

It can be divided in two parts, 230103 and 25, that multiplied together give a palindrome (5752575).

The spelling of 23010325 in words is "twenty-three million, ten thousand, three hundred twenty-five".

Divisors: 1 5 13 25 65 101 325 505 701 1313 2525 3505 6565 9113 17525 32825 45565 70801 227825 354005 920413 1770025 4602065 23010325