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180145357 = 753485567
BaseRepresentation
bin10101011110011…
…00110011001101
3110112222022222021
422233030303031
5332104122412
625513050141
74315132060
oct1257146315
9415868867
10180145357
1192761967
12503b6951
132b4250b2
1419cd48d7
1510c36607
hexabccccd

180145357 has 8 divisors (see below), whose sum is σ = 209765376. Its totient is φ = 151496592.

The previous prime is 180145351. The next prime is 180145373. The reversal of 180145357 is 753541081.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 180145357 - 219 = 179621069 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180145351) 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, 242413 + ... + 243154.

It is an arithmetic number, because the mean of its divisors is an integer number (26220672).

Almost surely, 2180145357 is an apocalyptic number.

It is an amenable number.

180145357 is a deficient number, since it is larger than the sum of its proper divisors (29620019).

180145357 is an equidigital number, since it uses as much as digits as its factorization.

180145357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485627.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 180145357 is about 13421.8239073533. The cubic root of 180145357 is about 564.7735610736.

The spelling of 180145357 in words is "one hundred eighty million, one hundred forty-five thousand, three hundred fifty-seven".

Divisors: 1 7 53 371 485567 3398969 25735051 180145357