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240430797 = 3226714533
BaseRepresentation
bin11100101010010…
…10111011001101
3121202102011001100
432111022323031
5443022241142
635505133313
75646425265
oct1625127315
9552364040
10240430797
11113798242
126862a239
133aa71c59
1423d087a5
1516193b4c
hexe54aecd

240430797 has 6 divisors (see below), whose sum is σ = 347288942. Its totient is φ = 160287192.

The previous prime is 240430781. The next prime is 240430811. The reversal of 240430797 is 797034042.

It can be written as a sum of positive squares in only one way, i.e., 228795876 + 11634921 = 15126^2 + 3411^2 .

It is not a de Polignac number, because 240430797 - 24 = 240430781 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 (240430717) 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, 13357258 + ... + 13357275.

Almost surely, 2240430797 is an apocalyptic number.

It is an amenable number.

240430797 is a deficient number, since it is larger than the sum of its proper divisors (106858145).

240430797 is a wasteful number, since it uses less digits than its factorization.

240430797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26714539 (or 26714536 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 240430797 is about 15505.8310644738. The cubic root of 240430797 is about 621.8181085031.

The spelling of 240430797 in words is "two hundred forty million, four hundred thirty thousand, seven hundred ninety-seven".

Divisors: 1 3 9 26714533 80143599 240430797