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1252916 = 227291543
BaseRepresentation
bin100110001111000110100
32100122200022
410301320310
5310043131
642504312
713435550
oct4617064
92318608
101252916
11786375
12505098
1334b392
14248860
1519b37b
hex131e34

1252916 has 24 divisors (see below), whose sum is σ = 2593920. Its totient is φ = 518112.

The previous prime is 1252913. The next prime is 1252921. The reversal of 1252916 is 6192521.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41 + ... + 1583.

It is an arithmetic number, because the mean of its divisors is an integer number (108080).

21252916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296960).

1252916 is an abundant number, since it is smaller than the sum of its proper divisors (1341004).

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

1252916 is a wasteful number, since it uses less digits than its factorization.

1252916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1581 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 1252916 is about 1119.3373039437. The cubic root of 1252916 is about 107.8054338714.

The spelling of 1252916 in words is "one million, two hundred fifty-two thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 1543 3086 6172 10801 21602 43204 44747 89494 178988 313229 626458 1252916