Search a number
-
+
241640664 = 23310068361
BaseRepresentation
bin11100110011100…
…10010011011000
3121211200121200020
432121302103120
5443330000124
635551110440
75662624506
oct1631622330
9554617606
10241640664
11114444231
1268b12420
133b0a6855
1424141676
1516332379
hexe6724d8

241640664 has 16 divisors (see below), whose sum is σ = 604101720. Its totient is φ = 80546880.

The previous prime is 241640657. The next prime is 241640681. The reversal of 241640664 is 466046142.

241640664 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 5034157 + ... + 5034204.

Almost surely, 2241640664 is an apocalyptic number.

241640664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

241640664 is an abundant number, since it is smaller than the sum of its proper divisors (362461056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

241640664 is a wasteful number, since it uses less digits than its factorization.

241640664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10068370 (or 10068366 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 241640664 is about 15544.7953991038. The cubic root of 241640664 is about 622.8593766879.

The spelling of 241640664 in words is "two hundred forty-one million, six hundred forty thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 10068361 20136722 30205083 40273444 60410166 80546888 120820332 241640664