Search a number
-
+
29368540 = 2251468427
BaseRepresentation
bin111000000001…
…0000011011100
32001021002001201
41300002003130
530004243130
62525245244
7504425365
oct160020334
961232051
1029368540
111563a023
129a03824
136113746
143c86b6c
1528a1bca
hex1c020dc

29368540 has 12 divisors (see below), whose sum is σ = 61673976. Its totient is φ = 11747408.

The previous prime is 29368529. The next prime is 29368543. The reversal of 29368540 is 4586392.

It is a super-2 number, since 2×293685402 = 1725022283463200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29368540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29368543) 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, 734194 + ... + 734233.

It is an arithmetic number, because the mean of its divisors is an integer number (5139498).

Almost surely, 229368540 is an apocalyptic number.

29368540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29368540 is an abundant number, since it is smaller than the sum of its proper divisors (32305436).

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

29368540 is a wasteful number, since it uses less digits than its factorization.

29368540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468436 (or 1468434 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 29368540 is about 5419.2748592409. The cubic root of 29368540 is about 308.5276697126.

It can be divided in two parts, 2936 and 8540, that added together give a triangular number (11476 = T151).

The spelling of 29368540 in words is "twenty-nine million, three hundred sixty-eight thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1468427 2936854 5873708 7342135 14684270 29368540