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226485637 = 732355091
BaseRepresentation
bin11010111111111…
…10010110000101
3120210011122212221
431133332112011
5430440020022
634250212341
75420044660
oct1537762605
9523148787
10226485637
11106933014
1263a240b1
1337bcb791
14221186d7
1514d3bcc7
hexd7fe585

226485637 has 4 divisors (see below), whose sum is σ = 258840736. Its totient is φ = 194130540.

The previous prime is 226485629. The next prime is 226485667. The reversal of 226485637 is 736584622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 736584622 = 2368292311.

It is a cyclic number.

It is not a de Polignac number, because 226485637 - 23 = 226485629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 226485593 and 226485602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226485617) 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, 16177539 + ... + 16177552.

It is an arithmetic number, because the mean of its divisors is an integer number (64710184).

Almost surely, 2226485637 is an apocalyptic number.

It is an amenable number.

226485637 is a deficient number, since it is larger than the sum of its proper divisors (32355099).

226485637 is an equidigital number, since it uses as much as digits as its factorization.

226485637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32355098.

The product of its digits is 483840, while the sum is 43.

The square root of 226485637 is about 15049.4397570142. The cubic root of 226485637 is about 609.5559224246. Note that the first 3 decimals are identical.

The spelling of 226485637 in words is "two hundred twenty-six million, four hundred eighty-five thousand, six hundred thirty-seven".

Divisors: 1 7 32355091 226485637