Search a number
-
+
234157445 = 553883613
BaseRepresentation
bin11011111010011…
…11010110000101
3121022121102121222
431331033112011
5434421014240
635122450125
75542206524
oct1575172605
9538542558
10234157445
111101a2a55
1266503945
1339686702
14231544bb
1515854eb5
hexdf4f585

234157445 has 8 divisors (see below), whose sum is σ = 286290936. Its totient is φ = 183791296.

The previous prime is 234157433. The next prime is 234157447. The reversal of 234157445 is 544751432.

It can be written as a sum of positive squares in 4 ways, for example, as 83137924 + 151019521 = 9118^2 + 12289^2 .

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 234157445 - 26 = 234157381 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 (234157447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441542 + ... + 442071.

It is an arithmetic number, because the mean of its divisors is an integer number (35786367).

Almost surely, 2234157445 is an apocalyptic number.

It is an amenable number.

234157445 is a deficient number, since it is larger than the sum of its proper divisors (52133491).

234157445 is an equidigital number, since it uses as much as digits as its factorization.

234157445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883671.

The product of its digits is 67200, while the sum is 35.

The square root of 234157445 is about 15302.2039262323. The cubic root of 234157445 is about 616.3621908976.

The spelling of 234157445 in words is "two hundred thirty-four million, one hundred fifty-seven thousand, four hundred forty-five".

Divisors: 1 5 53 265 883613 4418065 46831489 234157445