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147131140 = 22513565889
BaseRepresentation
bin10001100010100…
…00101100000100
3101020212000222111
420301100230010
5300131144030
622333310404
73434410522
oct1061205404
9336760874
10147131140
1176062892
1241335404
1324636160
141577d312
15cdb462a
hex8c50b04

147131140 has 24 divisors (see below), whose sum is σ = 332743320. Its totient is φ = 54325248.

The previous prime is 147131119. The next prime is 147131147. The reversal of 147131140 is 41131741.

It is a happy number.

147131140 is digitally balanced in base 3, 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 4 ways, for example, as 1976836 + 145154304 = 1406^2 + 12048^2 .

It is not an unprimeable number, because it can be changed into a prime (147131147) 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, 282685 + ... + 283204.

It is an arithmetic number, because the mean of its divisors is an integer number (13864305).

Almost surely, 2147131140 is an apocalyptic number.

147131140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147131140 is an abundant number, since it is smaller than the sum of its proper divisors (185612180).

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

147131140 is a wasteful number, since it uses less digits than its factorization.

147131140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565911 (or 565909 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 147131140 is about 12129.7625698115. The cubic root of 147131140 is about 527.9201028861.

Adding to 147131140 its reverse (41131741), we get a palindrome (188262881).

The spelling of 147131140 in words is "one hundred forty-seven million, one hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 565889 1131778 2263556 2829445 5658890 7356557 11317780 14713114 29426228 36782785 73565570 147131140