Search a number
-
+
60228030 = 23523191457
BaseRepresentation
bin1110010111000…
…0000110111110
311012022220022210
43211300012332
5110404244110
65550521250
71330633632
oct345600676
9135286283
1060228030
1130aa7235
1218206226
13c6299b5
147ddadc2
15544a520
hex39701be

60228030 has 64 divisors (see below), whose sum is σ = 151953408. Its totient is φ = 15248640.

The previous prime is 60228001. The next prime is 60228031. The reversal of 60228030 is 3082206.

It is a junction number, because it is equal to n+sod(n) for n = 60227988 and 60228006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60228031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131562 + ... + 132018.

It is an arithmetic number, because the mean of its divisors is an integer number (2374272).

Almost surely, 260228030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60228030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75976704).

60228030 is an abundant number, since it is smaller than the sum of its proper divisors (91725378).

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

60228030 is a wasteful number, since it uses less digits than its factorization.

60228030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 60228030 is about 7760.6720069850. The cubic root of 60228030 is about 391.9820856384.

The spelling of 60228030 in words is "sixty million, two hundred twenty-eight thousand, thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 191 230 345 382 457 573 690 914 955 1146 1371 1910 2285 2742 2865 4393 4570 5730 6855 8786 10511 13179 13710 21022 21965 26358 31533 43930 52555 63066 65895 87287 105110 131790 157665 174574 261861 315330 436435 523722 872870 1309305 2007601 2618610 4015202 6022803 10038005 12045606 20076010 30114015 60228030