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226523730 = 2357550791
BaseRepresentation
bin11011000000001…
…11101001010010
3120210020121010210
431200013221102
5430442224410
634251104550
75420264016
oct1540075122
9523217123
10226523730
111069596a4
1263a42156
1337c12c14
1422128546
1514d48220
hexd807a52

226523730 has 16 divisors (see below), whose sum is σ = 543657024. Its totient is φ = 60406320.

The previous prime is 226523701. The next prime is 226523743. The reversal of 226523730 is 37325622.

It is a super-2 number, since 2×2265237302 = 102626000506225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 7550791 = 226523730 / (2 + 2 + 6 + 5 + 2 + 3 + 7 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3775366 + ... + 3775425.

It is an arithmetic number, because the mean of its divisors is an integer number (33978564).

Almost surely, 2226523730 is an apocalyptic number.

226523730 is an abundant number, since it is smaller than the sum of its proper divisors (317133294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226523730 is a wasteful number, since it uses less digits than its factorization.

226523730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7550801.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 226523730 is about 15050.7052990881. The cubic root of 226523730 is about 609.5900945873.

The spelling of 226523730 in words is "two hundred twenty-six million, five hundred twenty-three thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 7550791 15101582 22652373 37753955 45304746 75507910 113261865 226523730