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2115434 = 22936473
BaseRepresentation
bin1000000100011101101010
310222110211102
420010131222
51020143214
6113201402
723660306
oct10043552
93873742
102115434
1112153a2
12860262
13590b49
143d0d06
152bbbde
hex20476a

2115434 has 8 divisors (see below), whose sum is σ = 3282660. Its totient is φ = 1021216.

The previous prime is 2115433. The next prime is 2115437. The reversal of 2115434 is 4345112.

It can be written as a sum of positive squares in 2 ways, for example, as 2111209 + 4225 = 1453^2 + 65^2 .

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

It is a super-2 number, since 2×21154342 = 8950122016712, which contains 22 as substring.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2115431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18179 + ... + 18294.

22115434 is an apocalyptic number.

2115434 is a deficient number, since it is larger than the sum of its proper divisors (1167226).

2115434 is a wasteful number, since it uses less digits than its factorization.

2115434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36504.

The product of its digits is 480, while the sum is 20.

The square root of 2115434 is about 1454.4531618447. The cubic root of 2115434 is about 128.3708726223.

The spelling of 2115434 in words is "two million, one hundred fifteen thousand, four hundred thirty-four".

Divisors: 1 2 29 58 36473 72946 1057717 2115434