Search a number
-
+
254554044 = 22321212837
BaseRepresentation
bin11110010110000…
…10111110111100
3122201222200111120
433023002332330
51010131212134
641131550540
76210450033
oct1713027674
9581880446
10254554044
11120764248
12712bb450
13409784c4
1425b4371a
1517533649
hexf2c2fbc

254554044 has 12 divisors (see below), whose sum is σ = 593959464. Its totient is φ = 84851344.

The previous prime is 254554033. The next prime is 254554057. The reversal of 254554044 is 440455452.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2545540442 = 129595522633507872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 254553996 and 254554014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10606407 + ... + 10606430.

It is an arithmetic number, because the mean of its divisors is an integer number (49496622).

Almost surely, 2254554044 is an apocalyptic number.

It is an amenable number.

254554044 is an abundant number, since it is smaller than the sum of its proper divisors (339405420).

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

254554044 is a wasteful number, since it uses less digits than its factorization.

254554044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21212844 (or 21212842 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

The square root of 254554044 is about 15954.7498883561. The cubic root of 254554044 is about 633.7626878716.

The spelling of 254554044 in words is "two hundred fifty-four million, five hundred fifty-four thousand, forty-four".

Divisors: 1 2 3 4 6 12 21212837 42425674 63638511 84851348 127277022 254554044