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3242730031 = 26211237211
BaseRepresentation
bin1100000101001000…
…0010001000101111
322100222202202100021
43001102002020233
523120114330111
61253434543011
7143233515262
oct30122021057
98328682307
103242730031
111414489082
12765b97a67
133c8a7cb88
1422a94ccd9
1513ea3dd71
hexc148222f

3242730031 has 4 divisors (see below), whose sum is σ = 3243969864. Its totient is φ = 3241490200.

The previous prime is 3242730017. The next prime is 3242730037. The reversal of 3242730031 is 1300372423.

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

It is a cyclic number.

It is not a de Polignac number, because 3242730031 - 25 = 3242729999 is a prime.

It is a super-2 number, since 2×32427300312 = 21030596107898521922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3242729978 and 3242730005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3242730037) 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, 615985 + ... + 621226.

It is an arithmetic number, because the mean of its divisors is an integer number (810992466).

Almost surely, 23242730031 is an apocalyptic number.

3242730031 is a deficient number, since it is larger than the sum of its proper divisors (1239833).

3242730031 is a wasteful number, since it uses less digits than its factorization.

3242730031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239832.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 3242730031 is about 56944.9737114699. The cubic root of 3242730031 is about 1480.1427350468.

The spelling of 3242730031 in words is "three billion, two hundred forty-two million, seven hundred thirty thousand, thirty-one".

Divisors: 1 2621 1237211 3242730031