Search a number
-
+
233078053 = 13130113781
BaseRepresentation
bin11011110010001…
…11110100100101
3121020120120222111
431321013310211
5434131444203
635043401021
75530062565
oct1571076445
9536516874
10233078053
1110a625a9a
1266083171
1339399310
1422d52da5
15156e026d
hexde47d25

233078053 has 8 divisors (see below), whose sum is σ = 251218296. Its totient is φ = 214968000.

The previous prime is 233078051. The next prime is 233078077. The reversal of 233078053 is 350870332.

It can be written as a sum of positive squares in 4 ways, for example, as 4524129 + 228553924 = 2127^2 + 15118^2 .

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

It is not a de Polignac number, because 233078053 - 21 = 233078051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233078051) 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, 10023 + ... + 23803.

It is an arithmetic number, because the mean of its divisors is an integer number (31402287).

Almost surely, 2233078053 is an apocalyptic number.

It is an amenable number.

233078053 is a deficient number, since it is larger than the sum of its proper divisors (18140243).

233078053 is a wasteful number, since it uses less digits than its factorization.

233078053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15095.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 233078053 is about 15266.8940194134. The cubic root of 233078053 is about 615.4136534539.

The spelling of 233078053 in words is "two hundred thirty-three million, seventy-eight thousand, fifty-three".

Divisors: 1 13 1301 13781 16913 179153 17929081 233078053