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610428 = 223713243
BaseRepresentation
bin10010101000001111100
31011000100110
42111001330
5124013203
621030020
75121450
oct2250174
91130313
10610428
11387695
12255310
13184b00
1411c660
15c0d03
hex9507c

610428 has 72 divisors (see below), whose sum is σ = 1803648. Its totient is φ = 157248.

The previous prime is 610417. The next prime is 610429. The reversal of 610428 is 824016.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14175 + ... + 14217.

2610428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 610428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901824).

610428 is an abundant number, since it is smaller than the sum of its proper divisors (1193220).

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

610428 is a wasteful number, since it uses less digits than its factorization.

610428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 610428 is about 781.2989184685. The cubic root of 610428 is about 84.8290914190.

The spelling of 610428 in words is "six hundred ten thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 43 52 78 84 86 91 129 156 169 172 182 258 273 301 338 364 507 516 546 559 602 676 903 1014 1092 1118 1183 1204 1677 1806 2028 2236 2366 3354 3549 3612 3913 4732 6708 7098 7267 7826 11739 14196 14534 15652 21801 23478 29068 43602 46956 50869 87204 101738 152607 203476 305214 610428