Search a number
-
+
146477140 = 2257323857
BaseRepresentation
bin10001011101100…
…01000001010100
3101012121210212021
420232301001110
5244444232030
622311302524
73426015025
oct1056610124
9335553767
10146477140
1175756497
124107aa44
1324467584
141564cc4c
15ccd597a
hex8bb1054

146477140 has 12 divisors (see below), whose sum is σ = 307602036. Its totient is φ = 58590848.

The previous prime is 146477119. The next prime is 146477153. The reversal of 146477140 is 41774641.

It can be written as a sum of positive squares in 2 ways, for example, as 30096196 + 116380944 = 5486^2 + 10788^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146477096 and 146477105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3661909 + ... + 3661948.

It is an arithmetic number, because the mean of its divisors is an integer number (25633503).

Almost surely, 2146477140 is an apocalyptic number.

146477140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146477140 is an abundant number, since it is smaller than the sum of its proper divisors (161124896).

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

146477140 is a wasteful number, since it uses less digits than its factorization.

146477140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7323866 (or 7323864 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 146477140 is about 12102.7740621727. The cubic root of 146477140 is about 527.1367369360.

The spelling of 146477140 in words is "one hundred forty-six million, four hundred seventy-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 7323857 14647714 29295428 36619285 73238570 146477140