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234108069 = 31330719553
BaseRepresentation
bin11011111010000…
…11010010100101
3121022111220220020
431331003102211
5434412424234
635121425353
75541612546
oct1575032245
9538456806
10234108069
11110169948
126649b259
133966a0b0
14231404cd
1515845549
hexdf434a5

234108069 has 16 divisors (see below), whose sum is σ = 337267392. Its totient is φ = 143589888.

The previous prime is 234108067. The next prime is 234108113. The reversal of 234108069 is 960801432.

It is not a de Polignac number, because 234108069 - 21 = 234108067 is a prime.

It is a super-2 number, since 2×2341080692 = 109613175941817522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234108067) 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, 2197 + ... + 21749.

It is an arithmetic number, because the mean of its divisors is an integer number (21079212).

Almost surely, 2234108069 is an apocalyptic number.

It is an amenable number.

234108069 is a deficient number, since it is larger than the sum of its proper divisors (103159323).

234108069 is a wasteful number, since it uses less digits than its factorization.

234108069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19876.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 234108069 is about 15300.5904788018. The cubic root of 234108069 is about 616.3188644384.

The spelling of 234108069 in words is "two hundred thirty-four million, one hundred eight thousand, sixty-nine".

Divisors: 1 3 13 39 307 921 3991 11973 19553 58659 254189 762567 6002771 18008313 78036023 234108069