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242805827 = 1159374123
BaseRepresentation
bin11100111100011…
…10110001000011
3121220212210222102
432132032301003
5444124241302
640032101015
76005546465
oct1636166103
9556783872
10242805827
1111506a680
126939476b
133b3c3cb4
1424366135
15164b2702
hexe78ec43

242805827 has 8 divisors (see below), whose sum is σ = 269369280. Its totient is φ = 216990760.

The previous prime is 242805767. The next prime is 242805847. The reversal of 242805827 is 728508242.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 242805827 - 26 = 242805763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242805847) 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, 186413 + ... + 187710.

It is an arithmetic number, because the mean of its divisors is an integer number (33671160).

Almost surely, 2242805827 is an apocalyptic number.

242805827 is a deficient number, since it is larger than the sum of its proper divisors (26563453).

242805827 is a wasteful number, since it uses less digits than its factorization.

242805827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374193.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 242805827 is about 15582.2279215778. The cubic root of 242805827 is about 623.8588902309.

The spelling of 242805827 in words is "two hundred forty-two million, eight hundred five thousand, eight hundred twenty-seven".

Divisors: 1 11 59 649 374123 4115353 22073257 242805827