Search a number
-
+
611420 = 225191609
BaseRepresentation
bin10010101010001011100
31011001201012
42111101130
5124031140
621034352
75124365
oct2252134
91131635
10611420
11388407
122559b8
131853b4
1411cb6c
15c1265
hex9545c

611420 has 24 divisors (see below), whose sum is σ = 1352400. Its totient is φ = 231552.

The previous prime is 611419. The next prime is 611441. The reversal of 611420 is 24116.

It is a junction number, because it is equal to n+sod(n) for n = 611395 and 611404.

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, 425 + ... + 1184.

It is an arithmetic number, because the mean of its divisors is an integer number (56350).

2611420 is an apocalyptic number.

It is an amenable number.

611420 is an abundant number, since it is smaller than the sum of its proper divisors (740980).

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

611420 is a wasteful number, since it uses less digits than its factorization.

611420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637 (or 1635 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 611420 is about 781.9335010089. The cubic root of 611420 is about 84.8750181654.

Adding to 611420 its reverse (24116), we get a palindrome (635536).

The spelling of 611420 in words is "six hundred eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1609 3218 6436 8045 16090 30571 32180 61142 122284 152855 305710 611420