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83430227 = 372254871
BaseRepresentation
bin1001111100100…
…00101101010011
312210222200202102
410332100231103
5132324231402
612140111015
72032100546
oct476205523
9183880672
1083430227
1143104401
1223b3546b
13143917ca
14b11a85d
1574d0102
hex4f90b53

83430227 has 4 divisors (see below), whose sum is σ = 85685136. Its totient is φ = 81175320.

The previous prime is 83430173. The next prime is 83430239. The reversal of 83430227 is 72203438.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83430227 - 28 = 83429971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83430227.

It is not an unprimeable number, because it can be changed into a prime (83430247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127399 + ... + 1127472.

It is an arithmetic number, because the mean of its divisors is an integer number (21421284).

Almost surely, 283430227 is an apocalyptic number.

83430227 is a deficient number, since it is larger than the sum of its proper divisors (2254909).

83430227 is a wasteful number, since it uses less digits than its factorization.

83430227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254908.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 83430227 is about 9134.0148346716. The cubic root of 83430227 is about 436.9594556272.

The spelling of 83430227 in words is "eighty-three million, four hundred thirty thousand, two hundred twenty-seven".

Divisors: 1 37 2254871 83430227