Search a number
-
+
29088361 = 53548837
BaseRepresentation
bin110111011110…
…1101001101001
32000201211201201
41232331221221
524421311421
62515244201
7502150501
oct156755151
960654651
1029088361
1115468575
1298a9661
136046063
143c12a01
152848b91
hex1bbda69

29088361 has 4 divisors (see below), whose sum is σ = 29637252. Its totient is φ = 28539472.

The previous prime is 29088349. The next prime is 29088379. The reversal of 29088361 is 16388092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16556761 + 12531600 = 4069^2 + 3540^2 .

It is a cyclic number.

It is not a de Polignac number, because 29088361 - 219 = 28564073 is a prime.

It is a super-2 number, since 2×290883612 = 1692265491332642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29088361.

It is not an unprimeable number, because it can be changed into a prime (29088331) 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, 274366 + ... + 274471.

It is an arithmetic number, because the mean of its divisors is an integer number (7409313).

Almost surely, 229088361 is an apocalyptic number.

It is an amenable number.

29088361 is a deficient number, since it is larger than the sum of its proper divisors (548891).

29088361 is an equidigital number, since it uses as much as digits as its factorization.

29088361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548890.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 29088361 is about 5393.3626801839. The cubic root of 29088361 is about 307.5434041008.

The spelling of 29088361 in words is "twenty-nine million, eighty-eight thousand, three hundred sixty-one".

Divisors: 1 53 548837 29088361