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240994693 = 30722557
BaseRepresentation
bin11100101110101…
…00100110000101
3121210110210120101
432113110212011
5443143312233
635525204101
75654264302
oct1627244605
9553423511
10240994693
11114042975
1268860631
133ac0b814
14240140a9
1516255c7d
hexe5d4985

240994693 has 6 divisors (see below), whose sum is σ = 241876806. Its totient is φ = 240115752.

The previous prime is 240994673. The next prime is 240994697. The reversal of 240994693 is 396499042.

240994693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 199430884 + 41563809 = 14122^2 + 6447^2 .

It is a de Polignac number, because none of the positive numbers 2k-240994693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240994697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92971 + ... + 95527.

It is an arithmetic number, because the mean of its divisors is an integer number (40312801).

Almost surely, 2240994693 is an apocalyptic number.

It is an amenable number.

240994693 is a deficient number, since it is larger than the sum of its proper divisors (882113).

240994693 is an frugal number, since it uses more digits than its factorization.

240994693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171 (or 2864 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 240994693 is about 15524.0037683582. The cubic root of 240994693 is about 622.3038573883.

The spelling of 240994693 in words is "two hundred forty million, nine hundred ninety-four thousand, six hundred ninety-three".

Divisors: 1 307 2557 94249 784999 240994693