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1425264 = 243231291
BaseRepresentation
bin101011011111101110000
32200102002120
411123331300
5331102024
650314240
715054201
oct5337560
92612076
101425264
11893905
12588980
133ab969
142915a8
151d2479
hex15bf70

1425264 has 40 divisors (see below), whose sum is σ = 3844992. Its totient is φ = 454080.

The previous prime is 1425253. The next prime is 1425271. The reversal of 1425264 is 4625241.

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

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, 459 + ... + 1749.

21425264 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 1425264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1922496).

1425264 is an abundant number, since it is smaller than the sum of its proper divisors (2419728).

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

1425264 is a wasteful number, since it uses less digits than its factorization.

1425264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325 (or 1319 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 1425264 is about 1193.8442109421. The cubic root of 1425264 is about 112.5378045787.

The spelling of 1425264 in words is "one million, four hundred twenty-five thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 1291 2582 3873 5164 7746 10328 15492 20656 29693 30984 59386 61968 89079 118772 178158 237544 356316 475088 712632 1425264