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29672079 = 39890693
BaseRepresentation
bin111000100110…
…0001010001111
32001211111102220
41301030022033
530044001304
62535550423
7510131343
oct161141217
961744386
1029672079
1115827088
129b2b413
1361bb958
143d25623
152911ad9
hex1c4c28f

29672079 has 4 divisors (see below), whose sum is σ = 39562776. Its totient is φ = 19781384.

The previous prime is 29672077. The next prime is 29672099. The reversal of 29672079 is 97027692.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29672079 - 21 = 29672077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29672079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29672077) 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, 4945344 + ... + 4945349.

It is an arithmetic number, because the mean of its divisors is an integer number (9890694).

Almost surely, 229672079 is an apocalyptic number.

29672079 is a deficient number, since it is larger than the sum of its proper divisors (9890697).

29672079 is an equidigital number, since it uses as much as digits as its factorization.

29672079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890696.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 29672079 is about 5447.2083675953. The cubic root of 29672079 is about 309.5869594525.

The spelling of 29672079 in words is "twenty-nine million, six hundred seventy-two thousand, seventy-nine".

Divisors: 1 3 9890693 29672079