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1450420 = 225471543
BaseRepresentation
bin101100010000110110100
32201200121021
411202012310
5332403140
651030524
715220426
oct5420664
92650537
101450420
119007a4
1259b444
133ba24a
1429a816
151d9b4a
hex1621b4

1450420 has 24 divisors (see below), whose sum is σ = 3112704. Its totient is φ = 567456.

The previous prime is 1450399. The next prime is 1450429. The reversal of 1450420 is 240541.

It is a junction number, because it is equal to n+sod(n) for n = 1450394 and 1450403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450429) 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, 169 + ... + 1711.

It is an arithmetic number, because the mean of its divisors is an integer number (129696).

21450420 is an apocalyptic number.

1450420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450420 is an abundant number, since it is smaller than the sum of its proper divisors (1662284).

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

1450420 is a wasteful number, since it uses less digits than its factorization.

1450420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1450420 is about 1204.3338407601. Note that the first 3 decimals coincide. The cubic root of 1450420 is about 113.1960467598.

Adding to 1450420 its reverse (240541), we get a palindrome (1690961).

The spelling of 1450420 in words is "one million, four hundred fifty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 1543 3086 6172 7715 15430 30860 72521 145042 290084 362605 725210 1450420