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29423613 = 39807871
BaseRepresentation
bin111000000111…
…1011111111101
32001100212121110
41300033133331
530013023423
62530352233
7505045062
oct160173775
961325543
1029423613
111567743a
129a2b679
13613282b
143c9cc69
1528b3193
hex1c0f7fd

29423613 has 4 divisors (see below), whose sum is σ = 39231488. Its totient is φ = 19615740.

The previous prime is 29423593. The next prime is 29423657. The reversal of 29423613 is 31632492.

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 not a de Polignac number, because 29423613 - 29 = 29423101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29423663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4903933 + ... + 4903938.

It is an arithmetic number, because the mean of its divisors is an integer number (9807872).

Almost surely, 229423613 is an apocalyptic number.

It is an amenable number.

29423613 is a deficient number, since it is larger than the sum of its proper divisors (9807875).

29423613 is an equidigital number, since it uses as much as digits as its factorization.

29423613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9807874.

The product of its digits is 7776, while the sum is 30.

The square root of 29423613 is about 5424.3536942202. The cubic root of 29423613 is about 308.7204035511.

It can be divided in two parts, 2942 and 3613, that added together give a triangular number (6555 = T114).

The spelling of 29423613 in words is "twenty-nine million, four hundred twenty-three thousand, six hundred thirteen".

Divisors: 1 3 9807871 29423613