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245234645 = 5311582159
BaseRepresentation
bin11101001110111…
…11101111010101
3122002110012200122
432213133233111
51000240002040
640200121325
76035313545
oct1647375725
9562405618
10245234645
11116479467
126a166245
133ba64676
14247d9325
15167e21b5
hexe9dfbd5

245234645 has 8 divisors (see below), whose sum is σ = 303774720. Its totient is φ = 189858960.

The previous prime is 245234623. The next prime is 245234651. The reversal of 245234645 is 546432542.

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

It is not a de Polignac number, because 245234645 - 26 = 245234581 is a prime.

It is a super-2 number, since 2×2452346452 = 120280062216552050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790925 + ... + 791234.

It is an arithmetic number, because the mean of its divisors is an integer number (37971840).

Almost surely, 2245234645 is an apocalyptic number.

It is an amenable number.

245234645 is a deficient number, since it is larger than the sum of its proper divisors (58540075).

245234645 is a wasteful number, since it uses less digits than its factorization.

245234645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582195.

The product of its digits is 115200, while the sum is 35.

The square root of 245234645 is about 15659.9695082717. The cubic root of 245234645 is about 625.9321727285.

The spelling of 245234645 in words is "two hundred forty-five million, two hundred thirty-four thousand, six hundred forty-five".

Divisors: 1 5 31 155 1582159 7910795 49046929 245234645