Search a number
-
+
147968293 = 1113451663
BaseRepresentation
bin10001101000111…
…01000100100101
3101022102120100011
420310131010211
5300334441133
622403250221
73444465304
oct1064350445
9338376304
10147968293
1176584850
1241679971
132486a205
141591a43b
15cecc6cd
hex8d1d125

147968293 has 4 divisors (see below), whose sum is σ = 161419968. Its totient is φ = 134516620.

The previous prime is 147968243. The next prime is 147968329. The reversal of 147968293 is 392869741.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-147968293 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 (147968243) 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, 6725821 + ... + 6725842.

It is an arithmetic number, because the mean of its divisors is an integer number (40354992).

Almost surely, 2147968293 is an apocalyptic number.

It is an amenable number.

147968293 is a deficient number, since it is larger than the sum of its proper divisors (13451675).

147968293 is a wasteful number, since it uses less digits than its factorization.

147968293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13451674.

The product of its digits is 653184, while the sum is 49.

The square root of 147968293 is about 12164.2218411208. The cubic root of 147968293 is about 528.9194705909.

The spelling of 147968293 in words is "one hundred forty-seven million, nine hundred sixty-eight thousand, two hundred ninety-three".

Divisors: 1 11 13451663 147968293