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134230040 = 23574571049
BaseRepresentation
bin10000000000000…
…11000000011000
3100100120120222222
420000003000120
5233330330130
621153003212
73216636140
oct1000030030
9310516888
10134230040
116985101a
1238b53508
1321a69c79
1413b81920
15bbb6ce5
hex8003018

134230040 has 64 divisors (see below), whose sum is σ = 346248000. Its totient is φ = 45877248.

The previous prime is 134230037. The next prime is 134230049. The reversal of 134230040 is 40032431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134230049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127436 + ... + 128484.

It is an arithmetic number, because the mean of its divisors is an integer number (5410125).

Almost surely, 2134230040 is an apocalyptic number.

134230040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134230040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173124000).

134230040 is an abundant number, since it is smaller than the sum of its proper divisors (212017960).

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

134230040 is a wasteful number, since it uses less digits than its factorization.

134230040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 134230040 is about 11585.7688566620. The cubic root of 134230040 is about 512.0156550389.

Adding to 134230040 its reverse (40032431), we get a palindrome (174262471).

The spelling of 134230040 in words is "one hundred thirty-four million, two hundred thirty thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 457 914 1049 1828 2098 2285 3199 3656 4196 4570 5245 6398 7343 8392 9140 10490 12796 14686 15995 18280 20980 25592 29372 31990 36715 41960 58744 63980 73430 127960 146860 293720 479393 958786 1917572 2396965 3355751 3835144 4793930 6711502 9587860 13423004 16778755 19175720 26846008 33557510 67115020 134230040