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1420568 = 23416171
BaseRepresentation
bin101011010110100011000
32200011122122
411122310120
5330424233
650240412
715034412
oct5326430
92604578
101420568
11890326
12586108
133a9796
1428d9b2
151d0d98
hex15ad18

1420568 has 32 divisors (see below), whose sum is σ = 2812320. Its totient is φ = 672000.

The previous prime is 1420561. The next prime is 1420577. The reversal of 1420568 is 8650241.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420561) 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, 19973 + ... + 20043.

It is an arithmetic number, because the mean of its divisors is an integer number (87885).

21420568 is an apocalyptic number.

It is an amenable number.

1420568 is a deficient number, since it is larger than the sum of its proper divisors (1391752).

1420568 is a wasteful number, since it uses less digits than its factorization.

1420568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1420568 is about 1191.8758324591. The cubic root of 1420568 is about 112.4140710085.

The spelling of 1420568 in words is "one million, four hundred twenty thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 41 61 71 82 122 142 164 244 284 328 488 568 2501 2911 4331 5002 5822 8662 10004 11644 17324 20008 23288 34648 177571 355142 710284 1420568