Search a number
-
+
157340 = 2257867
BaseRepresentation
bin100110011010011100
321222211102
4212122130
520013330
63212232
71223501
oct463234
9258742
10157340
11a8237
1277078
1356801
14414a8
1531945
hex2669c

157340 has 12 divisors (see below), whose sum is σ = 330456. Its totient is φ = 62928.

The previous prime is 157327. The next prime is 157349. The reversal of 157340 is 43751.

It is a happy number.

157340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 7867 = 157340 / (1 + 5 + 7 + 3 + 4 + 0).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157349) 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, 3914 + ... + 3953.

It is an arithmetic number, because the mean of its divisors is an integer number (27538).

2157340 is an apocalyptic number.

157340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157340 is an abundant number, since it is smaller than the sum of its proper divisors (173116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157340 is a wasteful number, since it uses less digits than its factorization.

157340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7876 (or 7874 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 157340 is about 396.6610643862. The cubic root of 157340 is about 53.9858216091.

The spelling of 157340 in words is "one hundred fifty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 7867 15734 31468 39335 78670 157340