Search a number
-
+
228252692 = 2257063173
BaseRepresentation
bin11011001101011…
…01110000010100
3120220111102211102
431212231300110
5431413041232
634352125232
75441054513
oct1546556024
9526442742
10228252692
1110792a698
1264536818
1338399b85
142245867a
151508a662
hexd9adc14

228252692 has 6 divisors (see below), whose sum is σ = 399442218. Its totient is φ = 114126344.

The previous prime is 228252691. The next prime is 228252701. The reversal of 228252692 is 296252822.

It is a happy number.

228252692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 214739716 + 13512976 = 14654^2 + 3676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228252691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28531583 + ... + 28531590.

It is an arithmetic number, because the mean of its divisors is an integer number (66573703).

Almost surely, 2228252692 is an apocalyptic number.

It is an amenable number.

228252692 is a deficient number, since it is larger than the sum of its proper divisors (171189526).

228252692 is a wasteful number, since it uses less digits than its factorization.

228252692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57063177 (or 57063175 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 228252692 is about 15108.0340216720. The cubic root of 228252692 is about 611.1370818078.

The spelling of 228252692 in words is "two hundred twenty-eight million, two hundred fifty-two thousand, six hundred ninety-two".

Divisors: 1 2 4 57063173 114126346 228252692