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234145874 = 21097106721
BaseRepresentation
bin11011111010011…
…00100001010010
3121022120211202102
431331030201102
5434420131444
635122320402
75542131014
oct1575144122
9538524672
10234145874
11110195296
12664b9102
1339681371
14231501b4
151585184e
hexdf4c852

234145874 has 8 divisors (see below), whose sum is σ = 351542268. Its totient is φ = 116965120.

The previous prime is 234145871. The next prime is 234145907. The reversal of 234145874 is 478541432.

234145874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 233937025 + 208849 = 15295^2 + 457^2 .

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

It is a super-2 number, since 2×2341458742 = 109648580622447752, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (234145871) 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, 51167 + ... + 55554.

Almost surely, 2234145874 is an apocalyptic number.

234145874 is a deficient number, since it is larger than the sum of its proper divisors (117396394).

234145874 is a wasteful number, since it uses less digits than its factorization.

234145874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107820.

The product of its digits is 107520, while the sum is 38.

The square root of 234145874 is about 15301.8258387684. The cubic root of 234145874 is about 616.3520381214.

The spelling of 234145874 in words is "two hundred thirty-four million, one hundred forty-five thousand, eight hundred seventy-four".

Divisors: 1 2 1097 2194 106721 213442 117072937 234145874