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1253140 = 22578951
BaseRepresentation
bin100110001111100010100
32100122222121
410301330110
5310100030
642505324
713436320
oct4617424
92318877
101253140
11786559
12505244
1334b505
14248980
1519b47a
hex131f14

1253140 has 24 divisors (see below), whose sum is σ = 3007872. Its totient is φ = 429600.

The previous prime is 1253137. The next prime is 1253167. The reversal of 1253140 is 413521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4336 + ... + 4615.

It is an arithmetic number, because the mean of its divisors is an integer number (125328).

21253140 is an apocalyptic number.

1253140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253140 is an abundant number, since it is smaller than the sum of its proper divisors (1754732).

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

1253140 is a wasteful number, since it uses less digits than its factorization.

1253140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8967 (or 8965 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1253140 is about 1119.4373586762. The cubic root of 1253140 is about 107.8118580792.

Adding to 1253140 its reverse (413521), we get a palindrome (1666661).

The spelling of 1253140 in words is "one million, two hundred fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 8951 17902 35804 44755 62657 89510 125314 179020 250628 313285 626570 1253140