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130525223 = 287945337
BaseRepresentation
bin1111100011110…
…10100000100111
3100002121100221112
413301322200213
5231403301343
620541335235
73143306003
oct761724047
9302540845
10130525223
1167750594
123786751b
132107087a
1413499703
15b6d4218
hex7c7a827

130525223 has 4 divisors (see below), whose sum is σ = 130573440. Its totient is φ = 130477008.

The previous prime is 130525183. The next prime is 130525277. The reversal of 130525223 is 322525031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130525223 - 214 = 130508839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130525123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19790 + ... + 25547.

It is an arithmetic number, because the mean of its divisors is an integer number (32643360).

Almost surely, 2130525223 is an apocalyptic number.

130525223 is a deficient number, since it is larger than the sum of its proper divisors (48217).

130525223 is an equidigital number, since it uses as much as digits as its factorization.

130525223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48216.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 130525223 is about 11424.7635861754. The cubic root of 130525223 is about 507.2610090722.

The spelling of 130525223 in words is "one hundred thirty million, five hundred twenty-five thousand, two hundred twenty-three".

Divisors: 1 2879 45337 130525223