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242174745 = 3351793887
BaseRepresentation
bin11100110111101…
…00101100011001
3121212200202022000
432123310230121
5443444042440
640010351213
76000310551
oct1633645431
9555622260
10242174745
1111477951a
126912b509
133b232987
1424240161
15163da730
hexe6f4b19

242174745 has 16 divisors (see below), whose sum is σ = 430533120. Its totient is φ = 129159792.

The previous prime is 242174719. The next prime is 242174747. The reversal of 242174745 is 547471242.

It is not a de Polignac number, because 242174745 - 213 = 242166553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242174747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896809 + ... + 897078.

It is an arithmetic number, because the mean of its divisors is an integer number (26908320).

Almost surely, 2242174745 is an apocalyptic number.

It is an amenable number.

242174745 is a deficient number, since it is larger than the sum of its proper divisors (188358375).

242174745 is a wasteful number, since it uses less digits than its factorization.

242174745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793901 (or 1793895 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 242174745 is about 15561.9646895885. The cubic root of 242174745 is about 623.3179261319.

The spelling of 242174745 in words is "two hundred forty-two million, one hundred seventy-four thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 1793887 5381661 8969435 16144983 26908305 48434949 80724915 242174745