Search a number
-
+
29518893 = 324179997
BaseRepresentation
bin111000010011…
…0110000101101
32001112201022100
41300212300231
530024101033
62532405313
7505622625
oct160466055
961481270
1029518893
1115731a88
129a76839
136167001
143cc5885
1528d1513
hex1c26c2d

29518893 has 12 divisors (see below), whose sum is σ = 43678908. Its totient is φ = 19199040.

The previous prime is 29518891. The next prime is 29518901. The reversal of 29518893 is 39881592.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2082249 + 27436644 = 1443^2 + 5238^2 .

It is not a de Polignac number, because 29518893 - 21 = 29518891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29518891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39630 + ... + 40367.

It is an arithmetic number, because the mean of its divisors is an integer number (3639909).

Almost surely, 229518893 is an apocalyptic number.

It is an amenable number.

29518893 is a deficient number, since it is larger than the sum of its proper divisors (14160015).

29518893 is a wasteful number, since it uses less digits than its factorization.

29518893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80044 (or 80041 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 29518893 is about 5433.1292088446. The cubic root of 29518893 is about 309.0532789017.

The spelling of 29518893 in words is "twenty-nine million, five hundred eighteen thousand, eight hundred ninety-three".

Divisors: 1 3 9 41 123 369 79997 239991 719973 3279877 9839631 29518893