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234089561 = 2379128833
BaseRepresentation
bin11011111001111…
…10110001011001
3121022110222111202
431330332301121
5434411331221
635121203545
75541504566
oct1574766131
9538428452
10234089561
11110156a52
12664905b5
1339661844
142313786d
151583ed0b
hexdf3ec59

234089561 has 8 divisors (see below), whose sum is σ = 247361280. Its totient is φ = 221075712.

The previous prime is 234089539. The next prime is 234089621. The reversal of 234089561 is 165980432.

It is a happy number.

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 234089561 - 26 = 234089497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234089501) 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, 62600 + ... + 66233.

It is an arithmetic number, because the mean of its divisors is an integer number (30920160).

Almost surely, 2234089561 is an apocalyptic number.

It is an amenable number.

234089561 is a deficient number, since it is larger than the sum of its proper divisors (13271719).

234089561 is a wasteful number, since it uses less digits than its factorization.

234089561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128935.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 234089561 is about 15299.9856535880. The cubic root of 234089561 is about 616.3026224664.

The spelling of 234089561 in words is "two hundred thirty-four million, eighty-nine thousand, five hundred sixty-one".

Divisors: 1 23 79 1817 128833 2963159 10177807 234089561