[go: up one dir, main page]

Search a number
-
+
29955491 is a prime number
BaseRepresentation
bin111001001000…
…1010110100011
32002100220012122
41302101112203
530132033431
62550014455
7512421536
oct162212643
962326178
1029955491
1115a00005
12a04742b
13628a957
143d9aa1d
15296aa7b
hex1c915a3

29955491 has 2 divisors, whose sum is σ = 29955492. Its totient is φ = 29955490.

The previous prime is 29955451. The next prime is 29955493. The reversal of 29955491 is 19455992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29955491 - 26 = 29955427 is a prime.

Together with 29955493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29955493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14977745 + 14977746.

It is an arithmetic number, because the mean of its divisors is an integer number (14977746).

Almost surely, 229955491 is an apocalyptic number.

29955491 is a deficient number, since it is larger than the sum of its proper divisors (1).

29955491 is an equidigital number, since it uses as much as digits as its factorization.

29955491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 44.

The square root of 29955491 is about 5473.1609696774. The cubic root of 29955491 is about 310.5695080805.

The spelling of 29955491 in words is "twenty-nine million, nine hundred fifty-five thousand, four hundred ninety-one".