Search a number
-
+
23155355 = 59747743
BaseRepresentation
bin101100001010…
…1001010011011
31121120102011202
41120111022123
521411432410
62144144415
7400550216
oct130251233
947512152
1023155355
1112085a63
12790810b
134a496c2
14310a77d
152075ca5
hex161529b

23155355 has 8 divisors (see below), whose sum is σ = 28073472. Its totient is φ = 18332928.

The previous prime is 23155337. The next prime is 23155367. The reversal of 23155355 is 55355132.

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 23155355 - 224 = 6378139 is a prime.

It is a Duffinian 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, 23387 + ... + 24356.

It is an arithmetic number, because the mean of its divisors is an integer number (3509184).

Almost surely, 223155355 is an apocalyptic number.

23155355 is a deficient number, since it is larger than the sum of its proper divisors (4918117).

23155355 is an equidigital number, since it uses as much as digits as its factorization.

23155355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47845.

The product of its digits is 11250, while the sum is 29.

The square root of 23155355 is about 4812.0011429758. The cubic root of 23155355 is about 285.0255645479.

The spelling of 23155355 in words is "twenty-three million, one hundred fifty-five thousand, three hundred fifty-five".

Divisors: 1 5 97 485 47743 238715 4631071 23155355