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1420230 = 23576763
BaseRepresentation
bin101011010101111000110
32200011012010
411122233012
5330421410
650235050
715033420
oct5325706
92604163
101420230
11890049
12585a86
133a9596
1428d810
151d0c20
hex15abc6

1420230 has 32 divisors (see below), whose sum is σ = 3896064. Its totient is φ = 324576.

The previous prime is 1420207. The next prime is 1420253. The reversal of 1420230 is 320241.

It is an interprime number because it is at equal distance from previous prime (1420207) and next prime (1420253).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3172 + ... + 3591.

It is an arithmetic number, because the mean of its divisors is an integer number (121752).

21420230 is an apocalyptic number.

1420230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420230 is an abundant number, since it is smaller than the sum of its proper divisors (2475834).

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

1420230 is a wasteful number, since it uses less digits than its factorization.

1420230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6780.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1420230 is about 1191.7340307300. The cubic root of 1420230 is about 112.4051546291.

Adding to 1420230 its reverse (320241), we get a palindrome (1740471).

The spelling of 1420230 in words is "one million, four hundred twenty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 6763 13526 20289 33815 40578 47341 67630 94682 101445 142023 202890 236705 284046 473410 710115 1420230