Search a number
-
+
352728414 = 232231635227
BaseRepresentation
bin10101000001100…
…011010101011110
3220120201110102100
4111001203111132
51210244302124
655000105530
711512066503
oct2501432536
9816643370
10352728414
11171119095
129a1652a6
135810004c
1434bbb4aa
1520e771c9
hex1506355e

352728414 has 48 divisors (see below), whose sum is σ = 802518912. Its totient is φ = 111752784.

The previous prime is 352728361. The next prime is 352728419. The reversal of 352728414 is 414827253.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352728419) 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, 64869 + ... + 70095.

It is an arithmetic number, because the mean of its divisors is an integer number (16719144).

Almost surely, 2352728414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 352728414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401259456).

352728414 is an abundant number, since it is smaller than the sum of its proper divisors (449790498).

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

352728414 is a wasteful number, since it uses less digits than its factorization.

352728414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421 (or 5418 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 352728414 is about 18781.0653052483. The cubic root of 352728414 is about 706.5563684603.

The spelling of 352728414 in words is "three hundred fifty-two million, seven hundred twenty-eight thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 23 46 69 138 163 207 326 414 489 978 1467 2934 3749 5227 7498 10454 11247 15681 22494 31362 33741 47043 67482 94086 120221 240442 360663 721326 852001 1081989 1704002 2163978 2556003 5112006 7668009 15336018 19596023 39192046 58788069 117576138 176364207 352728414