Search a number
-
+
151227361 = 1187127403
BaseRepresentation
bin10010000001110…
…00101111100001
3101112120010221101
421000320233201
5302203233421
623001154401
73514261045
oct1100705741
9345503841
10151227361
117840039a
124278ba01
132543b75c
1416128025
15d423191
hex9038be1

151227361 has 4 divisors (see below), whose sum is σ = 151355952. Its totient is φ = 151098772.

The previous prime is 151227343. The next prime is 151227371. The reversal of 151227361 is 163722151.

It is a happy number.

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: 163722151 = 374424923.

It is a cyclic number.

It is not a de Polignac number, because 151227361 - 223 = 142838753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151227301) 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, 62515 + ... + 64888.

It is an arithmetic number, because the mean of its divisors is an integer number (37838988).

Almost surely, 2151227361 is an apocalyptic number.

It is an amenable number.

151227361 is a deficient number, since it is larger than the sum of its proper divisors (128591).

151227361 is a wasteful number, since it uses less digits than its factorization.

151227361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128590.

The product of its digits is 2520, while the sum is 28.

The square root of 151227361 is about 12297.4534355695. The cubic root of 151227361 is about 532.7745339505.

The spelling of 151227361 in words is "one hundred fifty-one million, two hundred twenty-seven thousand, three hundred sixty-one".

Divisors: 1 1187 127403 151227361