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140202044 = 22229153059
BaseRepresentation
bin10000101101101…
…01000000111100
3100202211000001022
420112311000330
5241342431134
621525003312
73321461213
oct1026650074
9322730038
10140202044
117215a964
123ab53538
132307b2b8
141489807a
15c49652e
hex85b503c

140202044 has 12 divisors (see below), whose sum is σ = 246426600. Its totient is φ = 69794448.

The previous prime is 140202019. The next prime is 140202047. The reversal of 140202044 is 440202041.

It is a super-2 number, since 2×1402020442 = 39313226283555872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140202047) 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, 75614 + ... + 77445.

It is an arithmetic number, because the mean of its divisors is an integer number (20535550).

Almost surely, 2140202044 is an apocalyptic number.

It is an amenable number.

140202044 is a deficient number, since it is larger than the sum of its proper divisors (106224556).

140202044 is a wasteful number, since it uses less digits than its factorization.

140202044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153292 (or 153290 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 140202044 is about 11840.6944053126. The cubic root of 140202044 is about 519.4990787564.

Adding to 140202044 its reverse (440202041), we get a palindrome (580404085).

The spelling of 140202044 in words is "one hundred forty million, two hundred two thousand, forty-four".

Divisors: 1 2 4 229 458 916 153059 306118 612236 35050511 70101022 140202044