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29348161 = 231276007
BaseRepresentation
bin110111111110…
…1000101000001
32001020001002221
41233331011001
530003120121
62525011041
7504312103
oct157750501
961201087
1029348161
1115625787
1299b3a81
13610739b
143c7d573
15289ab41
hex1bfd141

29348161 has 4 divisors (see below), whose sum is σ = 30624192. Its totient is φ = 28072132.

The previous prime is 29348147. The next prime is 29348173. The reversal of 29348161 is 16184392.

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 29348161 - 25 = 29348129 is a prime.

It is a super-2 number, since 2×293481612 = 1722629108163842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29348131) 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, 637981 + ... + 638026.

It is an arithmetic number, because the mean of its divisors is an integer number (7656048).

Almost surely, 229348161 is an apocalyptic number.

It is an amenable number.

29348161 is a deficient number, since it is larger than the sum of its proper divisors (1276031).

29348161 is a wasteful number, since it uses less digits than its factorization.

29348161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276030.

The product of its digits is 10368, while the sum is 34.

The square root of 29348161 is about 5417.3942998456. The cubic root of 29348161 is about 308.4562901541.

The spelling of 29348161 in words is "twenty-nine million, three hundred forty-eight thousand, one hundred sixty-one".

Divisors: 1 23 1276007 29348161