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1425080 = 235231549
BaseRepresentation
bin101011011111010111000
32200101211202
411123322320
5331100310
650313332
715053516
oct5337270
92611752
101425080
11893758
12588848
133ab857
142914b6
151d23a5
hex15beb8

1425080 has 32 divisors (see below), whose sum is σ = 3348000. Its totient is φ = 544896.

The previous prime is 1425079. The next prime is 1425091. The reversal of 1425080 is 805241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146 + ... + 1694.

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

21425080 is an apocalyptic number.

1425080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1674000).

1425080 is an abundant number, since it is smaller than the sum of its proper divisors (1922920).

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

1425080 is a wasteful number, since it uses less digits than its factorization.

1425080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583 (or 1579 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1425080 is about 1193.7671464737. The cubic root of 1425080 is about 112.5329615350.

The spelling of 1425080 in words is "one million, four hundred twenty-five thousand, eighty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 1549 3098 6196 7745 12392 15490 30980 35627 61960 71254 142508 178135 285016 356270 712540 1425080