Search a number
-
+
613396 = 227191153
BaseRepresentation
bin10010101110000010100
31011011102101
42111300110
5124112041
621051444
75133220
oct2256024
91134371
10613396
11389943
12256b84
13186274
1411d780
15c1b31
hex95c14

613396 has 24 divisors (see below), whose sum is σ = 1292480. Its totient is φ = 248832.

The previous prime is 613381. The next prime is 613421. The reversal of 613396 is 693316.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45 + ... + 1108.

613396 is a Friedman number, since it can be written as (91-6)^3-3^6, using all its digits and the basic arithmetic operations.

2613396 is an apocalyptic number.

It is an amenable number.

613396 is an abundant number, since it is smaller than the sum of its proper divisors (679084).

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

613396 is a wasteful number, since it uses less digits than its factorization.

613396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1181 counting only the distinct ones).

The product of its digits is 2916, while the sum is 28.

The square root of 613396 is about 783.1960163331. The cubic root of 613396 is about 84.9663534651.

The spelling of 613396 in words is "six hundred thirteen thousand, three hundred ninety-six".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 1153 2306 4612 8071 16142 21907 32284 43814 87628 153349 306698 613396