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140043102 = 2389262253
BaseRepresentation
bin10000101100011…
…10001101011110
3100202111221000120
420112032031132
5241322334402
621521335410
73320226633
oct1026161536
9322457016
10140043102
1172061501
123aa97566
1323023b54
141485618a
15c4643bc
hex858e35e

140043102 has 16 divisors (see below), whose sum is σ = 283234320. Its totient is φ = 46156352.

The previous prime is 140043097. The next prime is 140043103. The reversal of 140043102 is 201340041.

140043102 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 2×1400431022 = 39224140835564808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140043103) 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, 130593 + ... + 131660.

It is an arithmetic number, because the mean of its divisors is an integer number (17702145).

Almost surely, 2140043102 is an apocalyptic number.

140043102 is an abundant number, since it is smaller than the sum of its proper divisors (143191218).

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

140043102 is a wasteful number, since it uses less digits than its factorization.

140043102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262347.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140043102 is about 11833.9808179665. The cubic root of 140043102 is about 519.3026920701.

Adding to 140043102 its reverse (201340041), we get a palindrome (341383143).

The spelling of 140043102 in words is "one hundred forty million, forty-three thousand, one hundred two".