Search a number
-
+
142014040 = 2357507193
BaseRepresentation
bin10000111011011…
…11011001011000
3100220020001122021
420131233121120
5242323422130
622031504224
73343046050
oct1035573130
9326201567
10142014040
1173188283
123b688074
1323563c9c
1414c0a560
15c70337a
hex876f658

142014040 has 32 divisors (see below), whose sum is σ = 365179680. Its totient is φ = 48690432.

The previous prime is 142014023. The next prime is 142014053. The reversal of 142014040 is 40410241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253317 + ... + 253876.

It is an arithmetic number, because the mean of its divisors is an integer number (11411865).

Almost surely, 2142014040 is an apocalyptic number.

142014040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142014040 is an abundant number, since it is smaller than the sum of its proper divisors (223165640).

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

142014040 is a wasteful number, since it uses less digits than its factorization.

142014040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507211 (or 507207 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 142014040 is about 11916.9643785655. The cubic root of 142014040 is about 521.7275384582.

Adding to 142014040 its reverse (40410241), we get a palindrome (182424281).

The spelling of 142014040 in words is "one hundred forty-two million, fourteen thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 507193 1014386 2028772 2535965 3550351 4057544 5071930 7100702 10143860 14201404 17751755 20287720 28402808 35503510 71007020 142014040