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226630613 = 11191084357
BaseRepresentation
bin11011000001000…
…01101111010101
3120210110000202102
431200201233111
5431004134423
634253251445
75421220436
oct1540415725
9523400672
10226630613
11106a21a30
1263a93b85
1337c4c771
142215548d
1514d69c28
hexd821bd5

226630613 has 8 divisors (see below), whose sum is σ = 260245920. Its totient is φ = 195184080.

The previous prime is 226630609. The next prime is 226630633. The reversal of 226630613 is 316036622.

226630613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 226630613 - 22 = 226630609 is a prime.

It is a super-2 number, since 2×2266306132 = 102722869497511538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226630633) 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, 541970 + ... + 542387.

It is an arithmetic number, because the mean of its divisors is an integer number (32530740).

Almost surely, 2226630613 is an apocalyptic number.

It is an amenable number.

226630613 is a deficient number, since it is larger than the sum of its proper divisors (33615307).

226630613 is a wasteful number, since it uses less digits than its factorization.

226630613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084387.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 226630613 is about 15054.2556441692. The cubic root of 226630613 is about 609.6859558807.

The spelling of 226630613 in words is "two hundred twenty-six million, six hundred thirty thousand, six hundred thirteen".

Divisors: 1 11 19 209 1084357 11927927 20602783 226630613