Search a number
-
+
254166840 = 23325706019
BaseRepresentation
bin11110010011001…
…00011100111000
3122201021000100200
433021210130320
51010031314330
641115402200
76204245124
oct1711443470
9581230320
10254166840
1112051a344
1271153360
13408711a5
1425a82584
15174a8a60
hexf264738

254166840 has 48 divisors (see below), whose sum is σ = 826043400. Its totient is φ = 67777728.

The previous prime is 254166811. The next prime is 254166841. The reversal of 254166840 is 48661452.

254166840 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 = 254166795 and 254166804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254166841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352650 + ... + 353369.

Almost surely, 2254166840 is an apocalyptic number.

254166840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254166840 is an abundant number, since it is smaller than the sum of its proper divisors (571876560).

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

254166840 is a wasteful number, since it uses less digits than its factorization.

254166840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706036 (or 706029 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 254166840 is about 15942.6108275903. The cubic root of 254166840 is about 633.4411844645.

The spelling of 254166840 in words is "two hundred fifty-four million, one hundred sixty-six thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 706019 1412038 2118057 2824076 3530095 4236114 5648152 6354171 7060190 8472228 10590285 12708342 14120380 16944456 21180570 25416684 28240760 31770855 42361140 50833368 63541710 84722280 127083420 254166840