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1420269 = 31924917
BaseRepresentation
bin101011010101111101101
32200011020120
411122233231
5330422034
650235153
715033504
oct5325755
92604216
101420269
11890084
12585ab9
133a95c6
1428d83b
151d0c49
hex15abed

1420269 has 8 divisors (see below), whose sum is σ = 1993440. Its totient is φ = 896976.

The previous prime is 1420261. The next prime is 1420277. The reversal of 1420269 is 9620241.

It is an interprime number because it is at equal distance from previous prime (1420261) and next prime (1420277).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1420269 - 23 = 1420261 is a prime.

It is a super-2 number, since 2×14202692 = 4034328064722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420261) 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, 12402 + ... + 12515.

It is an arithmetic number, because the mean of its divisors is an integer number (249180).

21420269 is an apocalyptic number.

1420269 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1420269 is a deficient number, since it is larger than the sum of its proper divisors (573171).

1420269 is a wasteful number, since it uses less digits than its factorization.

1420269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24939.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1420269 is about 1191.7503933291. The cubic root of 1420269 is about 112.4061835143.

The spelling of 1420269 in words is "one million, four hundred twenty thousand, two hundred sixty-nine".

Divisors: 1 3 19 57 24917 74751 473423 1420269