Search a number
-
+
157868 = 2261647
BaseRepresentation
bin100110100010101100
322000112222
4212202230
520022433
63214512
71225154
oct464254
9260488
10157868
11a8677
1277438
1356b19
1441764
1531b98
hex268ac

157868 has 12 divisors (see below), whose sum is σ = 281232. Its totient is φ = 77520.

The previous prime is 157867. The next prime is 157877. The reversal of 157868 is 868751.

It is a happy number.

It is a plaindrome in base 16.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (157867) 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, 80 + ... + 567.

It is an arithmetic number, because the mean of its divisors is an integer number (23436).

2157868 is an apocalyptic number.

It is an amenable number.

157868 is a deficient number, since it is larger than the sum of its proper divisors (123364).

157868 is a wasteful number, since it uses less digits than its factorization.

157868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 710 counting only the distinct ones).

The product of its digits is 13440, while the sum is 35.

The square root of 157868 is about 397.3260625733. The cubic root of 157868 is about 54.0461425448.

The spelling of 157868 in words is "one hundred fifty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 4 61 122 244 647 1294 2588 39467 78934 157868