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140047158 = 2325499157
BaseRepresentation
bin10000101100011…
…11001100110110
3100202112010120210
420112033030312
5241323002113
621521410250
73320244516
oct1026171466
9322463523
10140047158
1172064559
123aa99986
1323025954
1414857846
15c4656c3
hex858f336

140047158 has 16 divisors (see below), whose sum is σ = 280234800. Its totient is φ = 46658976.

The previous prime is 140047153. The next prime is 140047217. The reversal of 140047158 is 851740041.

140047158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1400471582 = 39226412927753928, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140047153) 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, 10716 + ... + 19872.

It is an arithmetic number, because the mean of its divisors is an integer number (17514675).

Almost surely, 2140047158 is an apocalyptic number.

140047158 is an abundant number, since it is smaller than the sum of its proper divisors (140187642).

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

140047158 is a wasteful number, since it uses less digits than its factorization.

140047158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11711.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 140047158 is about 11834.1521876305. The cubic root of 140047158 is about 519.3077054585.

Adding to 140047158 its reverse (851740041), we get a palindrome (991787199).

The spelling of 140047158 in words is "one hundred forty million, forty-seven thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 2549 5098 7647 9157 15294 18314 27471 54942 23341193 46682386 70023579 140047158