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1255230 = 23354649
BaseRepresentation
bin100110010011100111110
32100202212000
410302130332
5310131410
642523130
713445364
oct4623476
92322760
101255230
11788089
125064a6
1334c452
14249634
1519bdc0
hex13273e

1255230 has 32 divisors (see below), whose sum is σ = 3348000. Its totient is φ = 334656.

The previous prime is 1255211. The next prime is 1255237. The reversal of 1255230 is 325521.

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 not an unprimeable number, because it can be changed into a prime (1255237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2055 + ... + 2594.

It is an arithmetic number, because the mean of its divisors is an integer number (104625).

21255230 is an apocalyptic number.

1255230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255230 is an abundant number, since it is smaller than the sum of its proper divisors (2092770).

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

1255230 is a wasteful number, since it uses less digits than its factorization.

1255230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665 (or 4659 counting only the distinct ones).

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

The square root of 1255230 is about 1120.3704744414. The cubic root of 1255230 is about 107.8717613706.

It can be divided in two parts, 1255 and 230, that added together give a triangular number (1485 = T54).

The spelling of 1255230 in words is "one million, two hundred fifty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 4649 9298 13947 23245 27894 41841 46490 69735 83682 125523 139470 209205 251046 418410 627615 1255230