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29149961 = 60748023
BaseRepresentation
bin110111100110…
…0101100001001
32000211222020012
41233030230021
524430244321
62520441305
7502525211
oct157145411
960758205
1029149961
11154aa885
129919235
1360680c9
143c2b241
15285c05b
hex1bccb09

29149961 has 4 divisors (see below), whose sum is σ = 29198592. Its totient is φ = 29101332.

The previous prime is 29149937. The next prime is 29149963. The reversal of 29149961 is 16994192.

It is a happy number.

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 29149961 - 222 = 24955657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29149963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23405 + ... + 24618.

It is an arithmetic number, because the mean of its divisors is an integer number (7299648).

Almost surely, 229149961 is an apocalyptic number.

It is an amenable number.

29149961 is a deficient number, since it is larger than the sum of its proper divisors (48631).

29149961 is an equidigital number, since it uses as much as digits as its factorization.

29149961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48630.

The product of its digits is 34992, while the sum is 41.

The square root of 29149961 is about 5399.0703829456. The cubic root of 29149961 is about 307.7603444370.

The spelling of 29149961 in words is "twenty-nine million, one hundred forty-nine thousand, nine hundred sixty-one".

Divisors: 1 607 48023 29149961