Search a number
272987642 = 2431316691
BaseRepresentation
bin10000010001010…
…111010111111010
3201000200012122102
4100101113113322
51024341101032
643031023402
76523233224
oct2021272772
9630605572
10272987642
11130104724
127750ab62
1344730965
1428381414
1518e75362
hex104575fa

272987642 has 8 divisors (see below), whose sum is σ = 410432832. Its totient is φ = 136176700.

The previous prime is 272987641. The next prime is 272987647. The reversal of 272987642 is 246789272.

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

It is not an unprimeable number, because it can be changed into a prime (272987641) 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, 157484 + ... + 159207.

It is an arithmetic number, because the mean of its divisors is an integer number (51304104).

Almost surely, 2272987642 is an apocalyptic number.

272987642 is a deficient number, since it is larger than the sum of its proper divisors (137445190).

272987642 is a wasteful number, since it uses less digits than its factorization.

272987642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317124.

The product of its digits is 677376, while the sum is 47.

The square root of 272987642 is about 16522.3376675336. The cubic root of 272987642 is about 648.7056229707.

The spelling of 272987642 in words is "two hundred seventy-two million, nine hundred eighty-seven thousand, six hundred forty-two".