Search a number
-
+
152440793 = 223683591
BaseRepresentation
bin10010001011000…
…00111111011001
3101121211210110022
421011200333121
5303011101133
623043200225
73530503541
oct1105407731
9347753408
10152440793
117905a02a
1243076075
1325774b6b
1416362321
15d5b2998
hex9160fd9

152440793 has 4 divisors (see below), whose sum is σ = 153124608. Its totient is φ = 151756980.

The previous prime is 152440789. The next prime is 152440807. The reversal of 152440793 is 397044251.

152440793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 397044251 = 1989119961.

It is a cyclic number.

It is not a de Polignac number, because 152440793 - 22 = 152440789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152440723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341573 + ... + 342018.

It is an arithmetic number, because the mean of its divisors is an integer number (38281152).

Almost surely, 2152440793 is an apocalyptic number.

It is an amenable number.

152440793 is a deficient number, since it is larger than the sum of its proper divisors (683815).

152440793 is an equidigital number, since it uses as much as digits as its factorization.

152440793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683814.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 152440793 is about 12346.6915811484. The cubic root of 152440793 is about 534.1957146604.

The spelling of 152440793 in words is "one hundred fifty-two million, four hundred forty thousand, seven hundred ninety-three".

Divisors: 1 223 683591 152440793