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140015230 = 2517823619
BaseRepresentation
bin10000101100001…
…11011001111110
3100202110111210021
420112013121332
5241320441410
621521002354
73320052445
oct1026073176
9322414707
10140015230
1172042573
123aa833ba
1323014264
1414849d5c
15c45aeda
hex858767e

140015230 has 16 divisors (see below), whose sum is σ = 266852880. Its totient is φ = 52711552.

The previous prime is 140015149. The next prime is 140015243. The reversal of 140015230 is 32510041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411640 + ... + 411979.

It is an arithmetic number, because the mean of its divisors is an integer number (16678305).

Almost surely, 2140015230 is an apocalyptic number.

140015230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140015230 is a deficient number, since it is larger than the sum of its proper divisors (126837650).

140015230 is a wasteful number, since it uses less digits than its factorization.

140015230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823643.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 140015230 is about 11832.8031336619. The cubic root of 140015230 is about 519.2682384750.

Adding to 140015230 its reverse (32510041), we get a palindrome (172525271).

The spelling of 140015230 in words is "one hundred forty million, fifteen thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 823619 1647238 4118095 8236190 14001523 28003046 70007615 140015230