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226652013 = 347399739
BaseRepresentation
bin11011000001001…
…10111101101101
3120210111010010000
431200212331231
5431010331023
634253534513
75421340020
oct1540467555
9523433100
10226652013
11106a37015
1263aa4439
1337c59423
142215d1b7
1514d71243
hexd826f6d

226652013 has 20 divisors (see below), whose sum is σ = 386948320. Its totient is φ = 129515112.

The previous prime is 226652003. The next prime is 226652029. The reversal of 226652013 is 310256622.

226652013 is a `hidden beast` number, since 2 + 2 + 6 + 652 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 226652013 - 26 = 226651949 is a prime.

It is a super-2 number, since 2×2266520132 = 102742269993904338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226652003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 199303 + ... + 200436.

It is an arithmetic number, because the mean of its divisors is an integer number (19347416).

Almost surely, 2226652013 is an apocalyptic number.

It is an amenable number.

226652013 is a deficient number, since it is larger than the sum of its proper divisors (160296307).

226652013 is an equidigital number, since it uses as much as digits as its factorization.

226652013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399758 (or 399749 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 226652013 is about 15054.9663898662. The cubic root of 226652013 is about 609.7051455047.

The spelling of 226652013 in words is "two hundred twenty-six million, six hundred fifty-two thousand, thirteen".

Divisors: 1 3 7 9 21 27 63 81 189 567 399739 1199217 2798173 3597651 8394519 10792953 25183557 32378859 75550671 226652013