Search a number
-
+
29982149 = 107280207
BaseRepresentation
bin111001001011…
…1110111000101
32002102020202222
41302113313011
530133412044
62550342125
7512562341
oct162276705
962366688
1029982149
1115a1903a
12a05a945
136299b22
143da6621
1529738ee
hex1c97dc5

29982149 has 4 divisors (see below), whose sum is σ = 30262464. Its totient is φ = 29701836.

The previous prime is 29982131. The next prime is 29982151. The reversal of 29982149 is 94128992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29982149 - 28 = 29981893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29982109) 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, 139997 + ... + 140210.

It is an arithmetic number, because the mean of its divisors is an integer number (7565616).

Almost surely, 229982149 is an apocalyptic number.

It is an amenable number.

29982149 is a deficient number, since it is larger than the sum of its proper divisors (280315).

29982149 is a wasteful number, since it uses less digits than its factorization.

29982149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280314.

The product of its digits is 93312, while the sum is 44.

The square root of 29982149 is about 5475.5957666723. The cubic root of 29982149 is about 310.6616081368.

The spelling of 29982149 in words is "twenty-nine million, nine hundred eighty-two thousand, one hundred forty-nine".

Divisors: 1 107 280207 29982149