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140093623 = 791773337
BaseRepresentation
bin10000101100110…
…10100010110111
3100202121111022201
420112122202313
5241330443443
621522405331
73320530135
oct1026324267
9322544281
10140093623
117209645a
123ab00847
1323040b47
141486a755
15c47434d
hex859a8b7

140093623 has 4 divisors (see below), whose sum is σ = 141867040. Its totient is φ = 138320208.

The previous prime is 140093587. The next prime is 140093633. The reversal of 140093623 is 326390041.

140093623 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.

It is a cyclic number.

It is not a de Polignac number, because 140093623 - 29 = 140093111 is a prime.

It is a super-2 number, since 2×1400936232 = 39252446410532258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140093591 and 140093600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140093633) 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, 886590 + ... + 886747.

It is an arithmetic number, because the mean of its divisors is an integer number (35466760).

Almost surely, 2140093623 is an apocalyptic number.

140093623 is a deficient number, since it is larger than the sum of its proper divisors (1773417).

140093623 is an equidigital number, since it uses as much as digits as its factorization.

140093623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773416.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 140093623 is about 11836.1151988311. The cubic root of 140093623 is about 519.3651312684.

The spelling of 140093623 in words is "one hundred forty million, ninety-three thousand, six hundred twenty-three".

Divisors: 1 79 1773337 140093623