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29889067 = 132299159
BaseRepresentation
bin111001000000…
…1001000101011
32002020112002111
41302001020223
530122422232
62544343151
7512024065
oct162011053
962215074
1029889067
111596510a
12a014ab7
136266650
143d80735
152956047
hex1c8122b

29889067 has 4 divisors (see below), whose sum is σ = 32188240. Its totient is φ = 27589896.

The previous prime is 29889023. The next prime is 29889089. The reversal of 29889067 is 76098892.

It is a happy number.

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 29889067 - 223 = 21500459 is a prime.

It is a super-2 number, since 2×298890672 = 1786712652260978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29889067.

It is not an unprimeable number, because it can be changed into a prime (29889667) 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, 1149567 + ... + 1149592.

It is an arithmetic number, because the mean of its divisors is an integer number (8047060).

Almost surely, 229889067 is an apocalyptic number.

29889067 is a deficient number, since it is larger than the sum of its proper divisors (2299173).

29889067 is a wasteful number, since it uses less digits than its factorization.

29889067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299172.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 29889067 is about 5467.0894450338. The cubic root of 29889067 is about 310.3397835228.

The spelling of 29889067 in words is "twenty-nine million, eight hundred eighty-nine thousand, sixty-seven".

Divisors: 1 13 2299159 29889067