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234169645 = 5172754937
BaseRepresentation
bin11011111010100…
…10010100101101
3121022122001100211
431331102110231
5434421412040
635123022421
75542260223
oct1575222455
9538561324
10234169645
11110201136
126650aa11
133968c128
1423158b13
15158588ea
hexdf5252d

234169645 has 8 divisors (see below), whose sum is σ = 297533304. Its totient is φ = 176315904.

The previous prime is 234169631. The next prime is 234169681. The reversal of 234169645 is 546961432.

It can be written as a sum of positive squares in 4 ways, for example, as 48692484 + 185477161 = 6978^2 + 13619^2 .

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 234169645 - 27 = 234169517 is a prime.

It is a super-3 number, since 3×2341696453 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234169598 and 234169607.

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, 1377384 + ... + 1377553.

It is an arithmetic number, because the mean of its divisors is an integer number (37191663).

Almost surely, 2234169645 is an apocalyptic number.

It is an amenable number.

234169645 is a deficient number, since it is larger than the sum of its proper divisors (63363659).

234169645 is a wasteful number, since it uses less digits than its factorization.

234169645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754959.

The product of its digits is 155520, while the sum is 40.

The square root of 234169645 is about 15302.6025564281. The cubic root of 234169645 is about 616.3728952168.

The spelling of 234169645 in words is "two hundred thirty-four million, one hundred sixty-nine thousand, six hundred forty-five".

Divisors: 1 5 17 85 2754937 13774685 46833929 234169645