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254247228 = 22332354141
BaseRepresentation
bin11110010011110…
…00000100111100
3122201102002122000
433021320010330
51010041402403
641121222300
76205031364
oct1711700474
9581362560
10254247228
11120574784
1271191990
134089b961
1425aa39a4
15174c27a3
hexf27813c

254247228 has 24 divisors (see below), whose sum is σ = 659159760. Its totient is φ = 84749040.

The previous prime is 254247211. The next prime is 254247229. The reversal of 254247228 is 822742452.

254247228 is a `hidden beast` number, since 2 + 5 + 424 + 7 + 228 = 666.

254247228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 254247192 and 254247201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254247229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176963 + ... + 1177178.

It is an arithmetic number, because the mean of its divisors is an integer number (27464990).

Almost surely, 2254247228 is an apocalyptic number.

It is an amenable number.

254247228 is an abundant number, since it is smaller than the sum of its proper divisors (404912532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254247228 is a wasteful number, since it uses less digits than its factorization.

254247228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354154 (or 2354146 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 254247228 is about 15945.1317962568. The cubic root of 254247228 is about 633.5079591107.

It can be divided in two parts, 2542 and 47228, that added together give a triangular number (49770 = T315).

The spelling of 254247228 in words is "two hundred fifty-four million, two hundred forty-seven thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 2354141 4708282 7062423 9416564 14124846 21187269 28249692 42374538 63561807 84749076 127123614 254247228