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228171074 = 2114085537
BaseRepresentation
bin11011001100110…
…01110101000010
3120220100021212112
431212121311002
5431402433244
634350255322
75440264535
oct1546316502
9526307775
10228171074
1110788433a
12644b7542
133836b991
1422436a1c
151507139e
hexd999d42

228171074 has 4 divisors (see below), whose sum is σ = 342256614. Its totient is φ = 114085536.

The previous prime is 228171061. The next prime is 228171077. The reversal of 228171074 is 470171822.

It is a happy number.

228171074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 123988225 + 104182849 = 11135^2 + 10207^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228171074.

It is not an unprimeable number, because it can be changed into a prime (228171077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57042767 + ... + 57042770.

Almost surely, 2228171074 is an apocalyptic number.

228171074 is a deficient number, since it is larger than the sum of its proper divisors (114085540).

228171074 is a wasteful number, since it uses less digits than its factorization.

228171074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114085539.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 228171074 is about 15105.3326345367. The cubic root of 228171074 is about 611.0642301912.

The spelling of 228171074 in words is "two hundred twenty-eight million, one hundred seventy-one thousand, seventy-four".

Divisors: 1 2 114085537 228171074