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226743749 = 1674572971
BaseRepresentation
bin11011000001111…
…01010111000101
3120210122202221122
431200331113011
5431021244444
634255523325
75422201331
oct1540752705
9523582848
10226743749
11106a99a31
1263b29545
1337c8c0cb
14221847c1
1514d8d4ee
hexd83d5c5

226743749 has 8 divisors (see below), whose sum is σ = 228677568. Its totient is φ = 224817120.

The previous prime is 226743731. The next prime is 226743763. The reversal of 226743749 is 947347622.

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

It is a cyclic number.

It is not a de Polignac number, because 226743749 - 28 = 226743493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226743709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74834 + ... + 77804.

It is an arithmetic number, because the mean of its divisors is an integer number (28584696).

Almost surely, 2226743749 is an apocalyptic number.

It is an amenable number.

226743749 is a deficient number, since it is larger than the sum of its proper divisors (1933819).

226743749 is a wasteful number, since it uses less digits than its factorization.

226743749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595.

The product of its digits is 508032, while the sum is 44.

The square root of 226743749 is about 15058.0127838968. The cubic root of 226743749 is about 609.7873925379.

The spelling of 226743749 in words is "two hundred twenty-six million, seven hundred forty-three thousand, seven hundred forty-nine".

Divisors: 1 167 457 2971 76319 496157 1357747 226743749