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240380155 = 5229209939
BaseRepresentation
bin11100101001111…
…10100011111011
3121202022120120201
432110332203323
5443014131110
635504103031
75646124531
oct1624764373
9552276521
10240380155
11113763194
1268604a77
133aa54ba2
1423cd4151
1516183b3a
hexe53e8fb

240380155 has 8 divisors (see below), whose sum is σ = 289717200. Its totient is φ = 191463456.

The previous prime is 240380141. The next prime is 240380183. The reversal of 240380155 is 551083042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240380155 - 25 = 240380123 is a prime.

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, 103825 + ... + 106114.

It is an arithmetic number, because the mean of its divisors is an integer number (36214650).

Almost surely, 2240380155 is an apocalyptic number.

240380155 is a deficient number, since it is larger than the sum of its proper divisors (49337045).

240380155 is a wasteful number, since it uses less digits than its factorization.

240380155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210173.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 240380155 is about 15504.1979799021. The cubic root of 240380155 is about 621.7744475353.

The spelling of 240380155 in words is "two hundred forty million, three hundred eighty thousand, one hundred fifty-five".

Divisors: 1 5 229 1145 209939 1049695 48076031 240380155