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1425480 = 233571697
BaseRepresentation
bin101011100000001001000
32200102101120
411130001020
5331103410
650315240
715054630
oct5340110
92612346
101425480
11893a91
12588b20
133abaa4
142916c0
151d2570
hex15c048

1425480 has 64 divisors (see below), whose sum is σ = 4890240. Its totient is φ = 325632.

The previous prime is 1425469. The next prime is 1425481. The reversal of 1425480 is 845241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1425480.

It is not an unprimeable number, because it can be changed into a prime (1425481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (76410).

21425480 is an apocalyptic number.

1425480 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 1425480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2445120).

1425480 is an abundant number, since it is smaller than the sum of its proper divisors (3464760).

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

1425480 is a wasteful number, since it uses less digits than its factorization.

1425480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1425480 is about 1193.9346715796. The cubic root of 1425480 is about 112.5434893589.

1425480 divided by its sum of digits (24) gives a palindrome (59395).

The spelling of 1425480 in words is "one million, four hundred twenty-five thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 1697 3394 5091 6788 8485 10182 11879 13576 16970 20364 23758 25455 33940 35637 40728 47516 50910 59395 67880 71274 95032 101820 118790 142548 178185 203640 237580 285096 356370 475160 712740 1425480