Search a number
-
+
29144660 = 22510713619
BaseRepresentation
bin110111100101…
…1011001010100
32000211200221212
41233023121110
524430112120
62520400552
7502503566
oct157133124
960750855
1029144660
11154a68a6
129916158
13606587c
143c29336
15285a6c5
hex1bcb654

29144660 has 24 divisors (see below), whose sum is σ = 61780320. Its totient is φ = 11548064.

The previous prime is 29144659. The next prime is 29144683. The reversal of 29144660 is 6644192.

It is a happy number.

It is a super-2 number, since 2×291446602 = 1698822413031200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4670 + ... + 8949.

It is an arithmetic number, because the mean of its divisors is an integer number (2574180).

Almost surely, 229144660 is an apocalyptic number.

29144660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29144660 is an abundant number, since it is smaller than the sum of its proper divisors (32635660).

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

29144660 is a wasteful number, since it uses less digits than its factorization.

29144660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13735 (or 13733 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 29144660 is about 5398.5794427794. The cubic root of 29144660 is about 307.7416876197.

The spelling of 29144660 in words is "twenty-nine million, one hundred forty-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 13619 27238 54476 68095 136190 272380 1457233 2914466 5828932 7286165 14572330 29144660