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29923071 = 341673631
BaseRepresentation
bin111001000100…
…1011011111111
32002022020201220
41302021123333
530130014241
62545204423
7512225163
oct162113377
962266656
1029923071
1115988712
12a030713
136278c79
143d8cca3
152961166
hex1c896ff

29923071 has 16 divisors (see below), whose sum is σ = 41491968. Its totient is φ = 19166400.

The previous prime is 29923063. The next prime is 29923073. The reversal of 29923071 is 17032992.

It is not a de Polignac number, because 29923071 - 23 = 29923063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29923073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6426 + ... + 10056.

It is an arithmetic number, because the mean of its divisors is an integer number (2593248).

Almost surely, 229923071 is an apocalyptic number.

29923071 is a deficient number, since it is larger than the sum of its proper divisors (11568897).

29923071 is a wasteful number, since it uses less digits than its factorization.

29923071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 29923071 is about 5470.1984424699. The cubic root of 29923071 is about 310.4574273717.

The spelling of 29923071 in words is "twenty-nine million, nine hundred twenty-three thousand, seventy-one".

Divisors: 1 3 41 67 123 201 2747 3631 8241 10893 148871 243277 446613 729831 9974357 29923071