Search a number
-
+
29644897 = 311576091
BaseRepresentation
bin111000100010…
…1100001100001
32001210010011011
41301011201201
530042114042
62535220521
7506656162
oct161054141
961703134
1029644897
1115808717
129b17741
1361ac479
143d19769
152908a17
hex1c45861

29644897 has 8 divisors (see below), whose sum is σ = 30801152. Its totient is φ = 28501200.

The previous prime is 29644871. The next prime is 29644933. The reversal of 29644897 is 79844692.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29644897 is a prime.

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 29644897.

It is not an unprimeable number, because it can be changed into a prime (29644837) 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, 1822 + ... + 7912.

It is an arithmetic number, because the mean of its divisors is an integer number (3850144).

Almost surely, 229644897 is an apocalyptic number.

It is an amenable number.

29644897 is a deficient number, since it is larger than the sum of its proper divisors (1156255).

29644897 is a wasteful number, since it uses less digits than its factorization.

29644897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279.

The product of its digits is 870912, while the sum is 49.

The square root of 29644897 is about 5444.7127564271. The cubic root of 29644897 is about 309.4923950900.

The spelling of 29644897 in words is "twenty-nine million, six hundred forty-four thousand, eight hundred ninety-seven".

Divisors: 1 31 157 4867 6091 188821 956287 29644897