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140208812 = 2271493693
BaseRepresentation
bin10000101101101…
…10101010101100
3100202211100022222
420112312222230
5241343140222
621525054512
73321520022
oct1026665254
9322740288
10140208812
1172164a57
123ab57438
13230813c3
141489a712
15c498542
hex85b6aac

140208812 has 12 divisors (see below), whose sum is σ = 248821776. Its totient is φ = 69116880.

The previous prime is 140208793. The next prime is 140208857. The reversal of 140208812 is 218802041.

140208812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246563 + ... + 247130.

It is an arithmetic number, because the mean of its divisors is an integer number (20735148).

Almost surely, 2140208812 is an apocalyptic number.

It is an amenable number.

140208812 is a deficient number, since it is larger than the sum of its proper divisors (108612964).

140208812 is a wasteful number, since it uses less digits than its factorization.

140208812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493768 (or 493766 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 140208812 is about 11840.9801959128. The cubic root of 140208812 is about 519.5074379146.

The spelling of 140208812 in words is "one hundred forty million, two hundred eight thousand, eight hundred twelve".

Divisors: 1 2 4 71 142 284 493693 987386 1974772 35052203 70104406 140208812