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29894401 = 279110711
BaseRepresentation
bin111001000001…
…0011100000001
32002020210102001
41302002130001
530123110101
62544424001
7512045455
oct162023401
962223361
1029894401
1115969119
12a018001
136268bc4
143d82665
152957901
hex1c82701

29894401 has 4 divisors (see below), whose sum is σ = 29907904. Its totient is φ = 29880900.

The previous prime is 29894399. The next prime is 29894407. The reversal of 29894401 is 10449892.

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 29894401 - 21 = 29894399 is a prime.

It is a super-2 number, since 2×298944012 = 1787350422297602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29894407) 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, 2565 + ... + 8146.

It is an arithmetic number, because the mean of its divisors is an integer number (7476976).

Almost surely, 229894401 is an apocalyptic number.

It is an amenable number.

29894401 is a deficient number, since it is larger than the sum of its proper divisors (13503).

29894401 is a wasteful number, since it uses less digits than its factorization.

29894401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13502.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 29894401 is about 5467.5772513976. The cubic root of 29894401 is about 310.3582434940.

It can be divided in two parts, 2989440 and 1, that added together give a square (2989441 = 17292).

The spelling of 29894401 in words is "twenty-nine million, eight hundred ninety-four thousand, four hundred one".

Divisors: 1 2791 10711 29894401