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1420748 = 22750741
BaseRepresentation
bin101011010110111001100
32200011220022
411122313030
5330430443
650241312
715035060
oct5326714
92604808
101420748
1189047a
12586238
133a98a4
1428daa0
151d0e68
hex15adcc

1420748 has 12 divisors (see below), whose sum is σ = 2841552. Its totient is φ = 608880.

The previous prime is 1420729. The next prime is 1420753. The reversal of 1420748 is 8470241.

1420748 is an admirable number.

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

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25343 + ... + 25398.

It is an arithmetic number, because the mean of its divisors is an integer number (236796).

21420748 is an apocalyptic number.

It is an amenable number.

1420748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1420748 is a wasteful number, since it uses less digits than its factorization.

1420748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50752 (or 50750 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 1420748 is about 1191.9513412887. The cubic root of 1420748 is about 112.4188187991.

Adding to 1420748 its reverse (8470241), we get a palindrome (9890989).

The spelling of 1420748 in words is "one million, four hundred twenty thousand, seven hundred forty-eight".

Divisors: 1 2 4 7 14 28 50741 101482 202964 355187 710374 1420748