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226471385 = 57253107163
BaseRepresentation
bin11010111111110…
…10110111011001
3120210010221100002
431133322313121
5430434041020
634250022345
75416655300
oct1537726731
9523127302
10226471385
11106923338
1263a179b5
1337bc514a
1422113437
1514d37975
hexd7fadd9

226471385 has 48 divisors (see below), whose sum is σ = 327105216. Its totient is φ = 150014592.

The previous prime is 226471373. The next prime is 226471387. The reversal of 226471385 is 583174622.

It is a happy number.

It is not a de Polignac number, because 226471385 - 28 = 226471129 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226471387) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1389314 + ... + 1389476.

It is an arithmetic number, because the mean of its divisors is an integer number (6814692).

Almost surely, 2226471385 is an apocalyptic number.

It is an amenable number.

226471385 is a deficient number, since it is larger than the sum of its proper divisors (100633831).

226471385 is a wasteful number, since it uses less digits than its factorization.

226471385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 335 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 226471385 is about 15048.9662435664. The cubic root of 226471385 is about 609.5431363699.

The spelling of 226471385 in words is "two hundred twenty-six million, four hundred seventy-one thousand, three hundred eighty-five".

Divisors: 1 5 7 35 49 53 107 163 245 265 371 535 749 815 1141 1855 2597 3745 5243 5671 5705 7987 8639 12985 17441 26215 28355 39697 39935 43195 60473 87205 122087 198485 277879 302365 423311 610435 854609 924373 1389395 2116555 4273045 4621865 6470611 32353055 45294277 226471385