Search a number
-
+
299321142 = 231726910909
BaseRepresentation
bin10001110101110…
…100011100110110
3202212020002102020
4101311310130312
51103111234032
645411254010
710263121251
oct2165643466
9685202366
10299321142
11143a6044a
12842aa306
134a020b03
142ba78098
151b427b2c
hex11d74736

299321142 has 32 divisors (see below), whose sum is σ = 636271200. Its totient is φ = 93547008.

The previous prime is 299321137. The next prime is 299321147. The reversal of 299321142 is 241123992.

It is an interprime number because it is at equal distance from previous prime (299321137) and next prime (299321147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299321147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21984 + ... + 32892.

It is an arithmetic number, because the mean of its divisors is an integer number (19883475).

Almost surely, 2299321142 is an apocalyptic number.

299321142 is an abundant number, since it is smaller than the sum of its proper divisors (336950058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

299321142 is a wasteful number, since it uses less digits than its factorization.

299321142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11200.

The product of its digits is 7776, while the sum is 33.

The square root of 299321142 is about 17300.9000343913. The cubic root of 299321142 is about 668.9276243814.

The spelling of 299321142 in words is "two hundred ninety-nine million, three hundred twenty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 269 538 807 1614 4573 9146 10909 13719 21818 27438 32727 65454 185453 370906 556359 1112718 2934521 5869042 8803563 17607126 49886857 99773714 149660571 299321142