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1252530 = 23354639
BaseRepresentation
bin100110001110010110010
32100122011000
410301302302
5310040110
642502430
713434456
oct4616262
92318130
101252530
11786054
12504a16
1334b156
14248666
1519b1c0
hex131cb2

1252530 has 32 divisors (see below), whose sum is σ = 3340800. Its totient is φ = 333936.

The previous prime is 1252523. The next prime is 1252579. The reversal of 1252530 is 352521.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2050 + ... + 2589.

It is an arithmetic number, because the mean of its divisors is an integer number (104400).

21252530 is an apocalyptic number.

1252530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252530 is an abundant number, since it is smaller than the sum of its proper divisors (2088270).

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

1252530 is a wasteful number, since it uses less digits than its factorization.

1252530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655 (or 4649 counting only the distinct ones).

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

The square root of 1252530 is about 1119.1648672113. The cubic root of 1252530 is about 107.7943617879.

Subtracting from 1252530 its reverse (352521), we obtain a palindrome (900009).

The spelling of 1252530 in words is "one million, two hundred fifty-two thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 4639 9278 13917 23195 27834 41751 46390 69585 83502 125253 139170 208755 250506 417510 626265 1252530