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234106969 = 2129109961
BaseRepresentation
bin11011111010000…
…11000001011001
3121022111212101111
431331003001121
5434412410334
635121420321
75541606415
oct1575030131
9538455344
10234106969
11110169038
126649a6a1
1339669745
142313dd45
1515845064
hexdf43059

234106969 has 4 divisors (see below), whose sum is σ = 234219060. Its totient is φ = 233994880.

The previous prime is 234106967. The next prime is 234106973. The reversal of 234106969 is 969601432.

234106969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 163328400 + 70778569 = 12780^2 + 8413^2 .

It is a cyclic number.

It is not a de Polignac number, because 234106969 - 21 = 234106967 is a prime.

It is a super-2 number, since 2×2341069692 = 109612145868733922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234106967) 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, 52852 + ... + 57109.

It is an arithmetic number, because the mean of its divisors is an integer number (58554765).

Almost surely, 2234106969 is an apocalyptic number.

It is an amenable number.

234106969 is a deficient number, since it is larger than the sum of its proper divisors (112091).

234106969 is a wasteful number, since it uses less digits than its factorization.

234106969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112090.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 234106969 is about 15300.5545324344. The cubic root of 234106969 is about 616.3178991409.

The spelling of 234106969 in words is "two hundred thirty-four million, one hundred six thousand, nine hundred sixty-nine".

Divisors: 1 2129 109961 234106969