Search a number
-
+
157630 = 25111433
BaseRepresentation
bin100110011110111110
322000020011
4212132332
520021010
63213434
71224364
oct463676
9260204
10157630
11a8480
127727a
1356995
1441634
1531a8a
hex267be

157630 has 16 divisors (see below), whose sum is σ = 309744. Its totient is φ = 57280.

The previous prime is 157627. The next prime is 157637. The reversal of 157630 is 36751.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

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 (157637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607 + ... + 826.

It is an arithmetic number, because the mean of its divisors is an integer number (19359).

2157630 is an apocalyptic number.

157630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157630 is a deficient number, since it is larger than the sum of its proper divisors (152114).

157630 is a wasteful number, since it uses less digits than its factorization.

157630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 157630 is about 397.0264474818. The cubic root of 157630 is about 54.0189691016.

It can be divided in two parts, 157 and 630, that added together give a palindrome (787).

The spelling of 157630 in words is "one hundred fifty-seven thousand, six hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 1433 2866 7165 14330 15763 31526 78815 157630