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234117631 = 1167317663
BaseRepresentation
bin11011111010001…
…01100111111111
3121022112102000101
431331011213333
5434413231011
635121541531
75541652456
oct1575054777
9538472011
10234117631
11110176050
12664a48a7
1339671557
1423143b9d
15158482c1
hexdf459ff

234117631 has 8 divisors (see below), whose sum is σ = 259213824. Its totient is φ = 209656920.

The previous prime is 234117629. The next prime is 234117647. The reversal of 234117631 is 136711432.

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

It is not a de Polignac number, because 234117631 - 21 = 234117629 is a prime.

It is a super-2 number, since 2×2341176312 = 109622130290104322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234117631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234117691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158095 + ... + 159568.

It is an arithmetic number, because the mean of its divisors is an integer number (32401728).

Almost surely, 2234117631 is an apocalyptic number.

234117631 is a deficient number, since it is larger than the sum of its proper divisors (25096193).

234117631 is a wasteful number, since it uses less digits than its factorization.

234117631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317741.

The product of its digits is 3024, while the sum is 28.

The square root of 234117631 is about 15300.9029472120. The cubic root of 234117631 is about 616.3272553791.

The spelling of 234117631 in words is "two hundred thirty-four million, one hundred seventeen thousand, six hundred thirty-one".

Divisors: 1 11 67 737 317663 3494293 21283421 234117631