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1420530 = 23547351
BaseRepresentation
bin101011010110011110010
32200011121020
411122303302
5330424110
650240310
715034326
oct5326362
92604536
101420530
118902a1
12586096
133a9767
1428d986
151d0d70
hex15acf2

1420530 has 16 divisors (see below), whose sum is σ = 3409344. Its totient is φ = 378800.

The previous prime is 1420519. The next prime is 1420561. The reversal of 1420530 is 350241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23646 + ... + 23705.

It is an arithmetic number, because the mean of its divisors is an integer number (213084).

21420530 is an apocalyptic number.

1420530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420530 is an abundant number, since it is smaller than the sum of its proper divisors (1988814).

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

1420530 is a wasteful number, since it uses less digits than its factorization.

1420530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47361.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1420530 is about 1191.8598910946. The cubic root of 1420530 is about 112.4130686459.

Adding to 1420530 its reverse (350241), we get a palindrome (1770771).

The spelling of 1420530 in words is "one million, four hundred twenty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47351 94702 142053 236755 284106 473510 710265 1420530