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226486931 = 1120589721
BaseRepresentation
bin11010111111111…
…10101010010011
3120210011201122212
431133332222103
5430440040211
634250222335
75420051516
oct1537765223
9523151585
10226486931
11106933a90
1263a249ab
1337bcc248
1422118d7d
1514d3c38b
hexd7fea93

226486931 has 4 divisors (see below), whose sum is σ = 247076664. Its totient is φ = 205897200.

The previous prime is 226486927. The next prime is 226486943. The reversal of 226486931 is 139684622.

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 226486931 - 22 = 226486927 is a prime.

It is a super-2 number, since 2×2264869312 = 102592659827597522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226486531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10294850 + ... + 10294871.

It is an arithmetic number, because the mean of its divisors is an integer number (61769166).

Almost surely, 2226486931 is an apocalyptic number.

226486931 is a deficient number, since it is larger than the sum of its proper divisors (20589733).

226486931 is a wasteful number, since it uses less digits than its factorization.

226486931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20589732.

The product of its digits is 124416, while the sum is 41.

The square root of 226486931 is about 15049.4827485864. The cubic root of 226486931 is about 609.5570832986.

The spelling of 226486931 in words is "two hundred twenty-six million, four hundred eighty-six thousand, nine hundred thirty-one".

Divisors: 1 11 20589721 226486931