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1230552 = 2336211
BaseRepresentation
bin100101100011011011000
32022112000000
410230123120
5303334202
642213000
713313421
oct4543330
92275000
101230552
11770594
124b4160
1334114b
14240648
1519491c
hex12c6d8

1230552 has 56 divisors (see below), whose sum is σ = 3475740. Its totient is φ = 408240.

The previous prime is 1230547. The next prime is 1230571. The reversal of 1230552 is 2550321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 5727 + ... + 5937.

21230552 is an apocalyptic number.

1230552 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 1230552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1737870).

1230552 is an abundant number, since it is smaller than the sum of its proper divisors (2245188).

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

1230552 is an equidigital number, since it uses as much as digits as its factorization.

1230552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1230552 is about 1109.3024835454. The cubic root of 1230552 is about 107.1601526365.

Adding to 1230552 its reverse (2550321), we get a palindrome (3780873).

The spelling of 1230552 in words is "one million, two hundred thirty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 211 216 243 324 422 486 633 648 729 844 972 1266 1458 1688 1899 1944 2532 2916 3798 5064 5697 5832 7596 11394 15192 17091 22788 34182 45576 51273 68364 102546 136728 153819 205092 307638 410184 615276 1230552