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140050943 = 1011386643
BaseRepresentation
bin10000101100100…
…00000111111111
3100202112022202222
420112100013333
5241323112233
621521435555
73320261534
oct1026200777
9322468688
10140050943
117206738a
123aa9bbbb
13230275a6
1414858d8b
15c466898
hex85901ff

140050943 has 4 divisors (see below), whose sum is σ = 141437688. Its totient is φ = 138664200.

The previous prime is 140050931. The next prime is 140050949. The reversal of 140050943 is 349050041.

140050943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349050041 = 1013455941.

It is a cyclic number.

It is not a de Polignac number, because 140050943 - 24 = 140050927 is a prime.

It is a super-2 number, since 2×1400509432 = 39228533270378498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140050949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693221 + ... + 693422.

It is an arithmetic number, because the mean of its divisors is an integer number (35359422).

Almost surely, 2140050943 is an apocalyptic number.

140050943 is a deficient number, since it is larger than the sum of its proper divisors (1386745).

140050943 is a wasteful number, since it uses less digits than its factorization.

140050943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386744.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 140050943 is about 11834.3121050613. The cubic root of 140050943 is about 519.3123837920.

The spelling of 140050943 in words is "one hundred forty million, fifty thousand, nine hundred forty-three".

Divisors: 1 101 1386643 140050943