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20242370 = 252024237
BaseRepresentation
bin100110100110…
…1111111000010
31102002102022102
41031031333002
520140223440
62001510402
7334025441
oct115157702
942072272
1020242370
1110476435
126942402
134269845
14298cd58
151b9cb15
hex134dfc2

20242370 has 8 divisors (see below), whose sum is σ = 36436284. Its totient is φ = 8096944.

The previous prime is 20242363. The next prime is 20242373. The reversal of 20242370 is 7324202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20241001 + 1369 = 4499^2 + 37^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20242373) 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, 1012109 + ... + 1012128.

Almost surely, 220242370 is an apocalyptic number.

20242370 is a deficient number, since it is larger than the sum of its proper divisors (16193914).

20242370 is a wasteful number, since it uses less digits than its factorization.

20242370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024244.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 20242370 is about 4499.1521423486. The cubic root of 20242370 is about 272.5338509697.

Adding to 20242370 its reverse (7324202), we get a palindrome (27566572).

The spelling of 20242370 in words is "twenty million, two hundred forty-two thousand, three hundred seventy".

Divisors: 1 2 5 10 2024237 4048474 10121185 20242370