Search a number
-
+
1398852 = 2232721361
BaseRepresentation
bin101010101100001000100
32122001212100
411111201010
5324230402
645552100
714614200
oct5254104
92561770
101398852
11875a84
12575630
1339c930
14285b00
151c971c
hex155844

1398852 has 108 divisors (see below), whose sum is σ = 4502316. Its totient is φ = 362880.

The previous prime is 1398847. The next prime is 1398863. The reversal of 1398852 is 2588931.

It can be written as a sum of positive squares in 2 ways, for example, as 112896 + 1285956 = 336^2 + 1134^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22902 + ... + 22962.

21398852 is an apocalyptic number.

1398852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1398852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2251158).

1398852 is an abundant number, since it is smaller than the sum of its proper divisors (3103464).

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

1398852 is a wasteful number, since it uses less digits than its factorization.

1398852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 86 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 1398852 is about 1182.7307385876. The cubic root of 1398852 is about 111.8383083487.

The spelling of 1398852 in words is "one million, three hundred ninety-eight thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 49 52 61 63 78 84 91 98 117 122 126 147 156 182 183 196 234 244 252 273 294 364 366 427 441 468 546 549 588 637 732 793 819 854 882 1092 1098 1274 1281 1586 1638 1708 1764 1911 2196 2379 2548 2562 2989 3172 3276 3822 3843 4758 5124 5551 5733 5978 7137 7644 7686 8967 9516 11102 11466 11956 14274 15372 16653 17934 22204 22932 26901 28548 33306 35868 38857 49959 53802 66612 77714 99918 107604 116571 155428 199836 233142 349713 466284 699426 1398852