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228835629 = 32112311471
BaseRepresentation
bin11011010001111…
…00000100101101
3120221121001110200
431220330010231
5432040220004
634412424113
75446033161
oct1550740455
9527531420
10228835629
11108198660
1264778039
13385422c9
142256aca1
1515153239
hexda3c12d

228835629 has 12 divisors (see below), whose sum is σ = 360589632. Its totient is φ = 138688200.

The previous prime is 228835613. The next prime is 228835667. The reversal of 228835629 is 926538822.

It is a happy number.

228835629 is a `hidden beast` number, since 2 + 2 + 8 + 83 + 562 + 9 = 666.

228835629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228835629 - 24 = 228835613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228835699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1155637 + ... + 1155834.

It is an arithmetic number, because the mean of its divisors is an integer number (30049136).

Almost surely, 2228835629 is an apocalyptic number.

It is an amenable number.

228835629 is a deficient number, since it is larger than the sum of its proper divisors (131754003).

228835629 is a wasteful number, since it uses less digits than its factorization.

228835629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311488 (or 2311485 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 228835629 is about 15127.3140048060. The cubic root of 228835629 is about 611.6569027175.

The spelling of 228835629 in words is "two hundred twenty-eight million, eight hundred thirty-five thousand, six hundred twenty-nine".

Divisors: 1 3 9 11 33 99 2311471 6934413 20803239 25426181 76278543 228835629