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226290697 = 239946823
BaseRepresentation
bin11010111110011…
…10110000001001
3120202210202110221
431133032300021
5430412300242
634242110041
75415303433
oct1537166011
9522722427
10226290697
1110680a606
126394b321
1337b60b29
14220a7653
1514cee167
hexd7cec09

226290697 has 4 divisors (see below), whose sum is σ = 227237760. Its totient is φ = 225343636.

The previous prime is 226290679. The next prime is 226290737. The reversal of 226290697 is 796092622.

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.

It is a cyclic number.

It is not a de Polignac number, because 226290697 - 215 = 226257929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226290797) 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, 473173 + ... + 473650.

It is an arithmetic number, because the mean of its divisors is an integer number (56809440).

Almost surely, 2226290697 is an apocalyptic number.

It is an amenable number.

226290697 is a deficient number, since it is larger than the sum of its proper divisors (947063).

226290697 is an equidigital number, since it uses as much as digits as its factorization.

226290697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947062.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 226290697 is about 15042.9617097166. The cubic root of 226290697 is about 609.3809872110.

The spelling of 226290697 in words is "two hundred twenty-six million, two hundred ninety thousand, six hundred ninety-seven".

Divisors: 1 239 946823 226290697