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425236045 = 51317222637
BaseRepresentation
bin11001010110001…
…001011001001101
31002122011020012011
4121112021121031
51332330023140
6110110141221
713352306143
oct3126113115
91078136164
10425236045
111a9042153
12ba4b1811
136a139080
1440693593
15274eacea
hex1958964d

425236045 has 24 divisors (see below), whose sum is σ = 583788744. Its totient is φ = 295535616.

The previous prime is 425236043. The next prime is 425236061. The reversal of 425236045 is 540632524.

It can be written as a sum of positive squares in 12 ways, for example, as 92428996 + 332807049 = 9614^2 + 18243^2 .

It is not a de Polignac number, because 425236045 - 21 = 425236043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425235998 and 425236016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425236043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7467 + ... + 30103.

It is an arithmetic number, because the mean of its divisors is an integer number (24324531).

Almost surely, 2425236045 is an apocalyptic number.

It is an amenable number.

425236045 is a deficient number, since it is larger than the sum of its proper divisors (158552699).

425236045 is a wasteful number, since it uses less digits than its factorization.

425236045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22689 (or 22672 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 425236045 is about 20621.2522655633. The cubic root of 425236045 is about 751.9864643378.

Adding to 425236045 its reverse (540632524), we get a palindrome (965868569).

The spelling of 425236045 in words is "four hundred twenty-five million, two hundred thirty-six thousand, forty-five".

Divisors: 1 5 13 17 65 85 221 289 1105 1445 3757 18785 22637 113185 294281 384829 1471405 1924145 5002777 6542093 25013885 32710465 85047209 425236045