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1420460 = 22571023
BaseRepresentation
bin101011010110010101100
32200011111122
411122302230
5330423320
650240112
715034166
oct5326254
92604448
101420460
11890238
12586038
133a9712
1428d936
151d0d25
hex15acac

1420460 has 12 divisors (see below), whose sum is σ = 2983008. Its totient is φ = 568176.

The previous prime is 1420429. The next prime is 1420483. The reversal of 1420460 is 640241.

It is a super-2 number, since 2×14204602 = 4035413223200, which contains 22 as substring.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35492 + ... + 35531.

It is an arithmetic number, because the mean of its divisors is an integer number (248584).

21420460 is an apocalyptic number.

1420460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420460 is an abundant number, since it is smaller than the sum of its proper divisors (1562548).

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

1420460 is a wasteful number, since it uses less digits than its factorization.

1420460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71032 (or 71030 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1420460 is about 1191.8305248650. The cubic root of 1420460 is about 112.4112221416.

The spelling of 1420460 in words is "one million, four hundred twenty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 71023 142046 284092 355115 710230 1420460