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1425872 = 24729439
BaseRepresentation
bin101011100000111010000
32200102221002
411130013100
5331111442
650321132
715056030
oct5340720
92612832
101425872
11894308
125891a8
133ac016
142918c0
151d2732
hex15c1d0

1425872 has 40 divisors (see below), whose sum is σ = 3273600. Its totient is φ = 588672.

The previous prime is 1425863. The next prime is 1425877. The reversal of 1425872 is 2785241.

It is a super-2 number, since 2×14258722 = 4066221920768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425877) 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, 3029 + ... + 3467.

It is an arithmetic number, because the mean of its divisors is an integer number (81840).

21425872 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 1425872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636800).

1425872 is an abundant number, since it is smaller than the sum of its proper divisors (1847728).

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

1425872 is a wasteful number, since it uses less digits than its factorization.

1425872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 477 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 1425872 is about 1194.0988233810. The cubic root of 1425872 is about 112.5538047157.

The spelling of 1425872 in words is "one million, four hundred twenty-five thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 29 56 58 112 116 203 232 406 439 464 812 878 1624 1756 3073 3248 3512 6146 7024 12292 12731 24584 25462 49168 50924 89117 101848 178234 203696 356468 712936 1425872