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226523731 = 7377911071
BaseRepresentation
bin11011000000001…
…11101001010011
3120210020121010211
431200013221103
5430442224411
634251104551
75420264020
oct1540075123
9523217124
10226523731
111069596a5
1263a42157
1337c12c15
1422128547
1514d48221
hexd807a53

226523731 has 16 divisors (see below), whose sum is σ = 269271040. Its totient is φ = 186507360.

The previous prime is 226523701. The next prime is 226523743. The reversal of 226523731 is 137325622.

It is a cyclic number.

It is not a de Polignac number, because 226523731 - 211 = 226521683 is a prime.

It is a super-2 number, since 2×2265237312 = 102626001412320722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226523693 and 226523702.

It is not an unprimeable number, because it can be changed into a prime (226523701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14926 + ... + 25996.

It is an arithmetic number, because the mean of its divisors is an integer number (16829440).

Almost surely, 2226523731 is an apocalyptic number.

226523731 is a deficient number, since it is larger than the sum of its proper divisors (42747309).

226523731 is a wasteful number, since it uses less digits than its factorization.

226523731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11194.

The product of its digits is 15120, while the sum is 31.

The square root of 226523731 is about 15050.7053323092. The cubic root of 226523731 is about 609.5900954843.

The spelling of 226523731 in words is "two hundred twenty-six million, five hundred twenty-three thousand, seven hundred thirty-one".

Divisors: 1 7 37 79 259 553 2923 11071 20461 77497 409627 874609 2867389 6122263 32360533 226523731