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240972797 = 13131141499
BaseRepresentation
bin11100101110011…
…11001111111101
3121210102200112102
432113033033331
5443142112142
635524514445
75654143412
oct1627171775
9553380472
10240972797
1111402847a
126884ba25
133ac01870
142400a109
151624e532
hexe5cf3fd

240972797 has 8 divisors (see below), whose sum is σ = 261492000. Its totient is φ = 220736880.

The previous prime is 240972757. The next prime is 240972799. The reversal of 240972797 is 797279042.

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

It is not a de Polignac number, because 240972797 - 26 = 240972733 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 (240972799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69047 + ... + 72452.

It is an arithmetic number, because the mean of its divisors is an integer number (32686500).

Almost surely, 2240972797 is an apocalyptic number.

It is an amenable number.

240972797 is a deficient number, since it is larger than the sum of its proper divisors (20519203).

240972797 is a wasteful number, since it uses less digits than its factorization.

240972797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141643.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 240972797 is about 15523.2985218993. The cubic root of 240972797 is about 622.2850099775.

The spelling of 240972797 in words is "two hundred forty million, nine hundred seventy-two thousand, seven hundred ninety-seven".

Divisors: 1 13 131 1703 141499 1839487 18536369 240972797