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253324180 = 22543294563
BaseRepresentation
bin11110001100101…
…10101110010100
3122122200012110001
433012112232110
51004322333210
641045341044
76164135314
oct1706265624
9578605401
10253324180
1111aaa422a
1270a07784
1340637785
1425903444
151738e03a
hexf196b94

253324180 has 24 divisors (see below), whose sum is σ = 544354272. Its totient is φ = 98972832.

The previous prime is 253324147. The next prime is 253324187. The reversal of 253324180 is 81423352.

253324180 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253324187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146422 + ... + 148141.

It is an arithmetic number, because the mean of its divisors is an integer number (22681428).

Almost surely, 2253324180 is an apocalyptic number.

253324180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253324180 is an abundant number, since it is smaller than the sum of its proper divisors (291030092).

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

253324180 is a wasteful number, since it uses less digits than its factorization.

253324180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294615 (or 294613 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 253324180 is about 15916.1609692790. The cubic root of 253324180 is about 632.7403763821.

The spelling of 253324180 in words is "two hundred fifty-three million, three hundred twenty-four thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 294563 589126 1178252 1472815 2945630 5891260 12666209 25332418 50664836 63331045 126662090 253324180