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1420115 = 5284023
BaseRepresentation
bin101011010101101010011
32200011000212
411122231103
5330420430
650234335
715033164
oct5325523
92604025
101420115
1188aa54
125859ab
133a9508
1428d76b
151d0b95
hex15ab53

1420115 has 4 divisors (see below), whose sum is σ = 1704144. Its totient is φ = 1136088.

The previous prime is 1420109. The next prime is 1420121. The reversal of 1420115 is 5110241.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1420109) and next prime (1420121).

It is a cyclic number.

It is not a de Polignac number, because 1420115 - 24 = 1420099 is a prime.

It is a super-2 number, since 2×14201152 = 4033453226450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420115.

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, 142007 + ... + 142016.

It is an arithmetic number, because the mean of its divisors is an integer number (426036).

21420115 is an apocalyptic number.

1420115 is a deficient number, since it is larger than the sum of its proper divisors (284029).

1420115 is an equidigital number, since it uses as much as digits as its factorization.

1420115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284028.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1420115 is about 1191.6857807325. The cubic root of 1420115 is about 112.4021206272.

Adding to 1420115 its reverse (5110241), we get a palindrome (6530356).

The spelling of 1420115 in words is "one million, four hundred twenty thousand, one hundred fifteen".

Divisors: 1 5 284023 1420115