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242247648 = 2532523413
BaseRepresentation
bin11100111000001…
…10011111100000
3121212211110022010
432130012133200
5444003411043
640012112520
76001033236
oct1634063740
9555743263
10242247648
11114819275
1269165740
133b259c06
142425c956
1516402133
hexe7067e0

242247648 has 24 divisors (see below), whose sum is σ = 635900328. Its totient is φ = 80749184.

The previous prime is 242247641. The next prime is 242247667. The reversal of 242247648 is 846742242.

242247648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242247641) 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, 1261611 + ... + 1261802.

It is an arithmetic number, because the mean of its divisors is an integer number (26495847).

Almost surely, 2242247648 is an apocalyptic number.

It is an amenable number.

242247648 is an abundant number, since it is smaller than the sum of its proper divisors (393652680).

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

242247648 is a wasteful number, since it uses less digits than its factorization.

242247648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523426 (or 2523418 counting only the distinct ones).

The product of its digits is 172032, while the sum is 39.

The square root of 242247648 is about 15564.3068589642. The cubic root of 242247648 is about 623.3804666302.

The spelling of 242247648 in words is "two hundred forty-two million, two hundred forty-seven thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2523413 5046826 7570239 10093652 15140478 20187304 30280956 40374608 60561912 80749216 121123824 242247648