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240981793 = 13291793571
BaseRepresentation
bin11100101110100…
…01011100100001
3121210110010212121
432113101130201
5443142404133
635525024241
75654211553
oct1627213441
9553403777
10240981793
11114034208
1268855081
133ac059a0
142400d4d3
151625202d
hexe5d1721

240981793 has 16 divisors (see below), whose sum is σ = 270043200. Its totient is φ = 213514560.

The previous prime is 240981751. The next prime is 240981803. The reversal of 240981793 is 397189042.

240981793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 240981793 - 221 = 238884641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240985793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65698 + ... + 69268.

It is an arithmetic number, because the mean of its divisors is an integer number (16877700).

Almost surely, 2240981793 is an apocalyptic number.

It is an amenable number.

240981793 is a deficient number, since it is larger than the sum of its proper divisors (29061407).

240981793 is a wasteful number, since it uses less digits than its factorization.

240981793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 240981793 is about 15523.5882771993. The cubic root of 240981793 is about 622.2927535988.

The spelling of 240981793 in words is "two hundred forty million, nine hundred eighty-one thousand, seven hundred ninety-three".

Divisors: 1 13 29 179 377 2327 3571 5191 46423 67483 103559 639209 1346267 8309717 18537061 240981793