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29687073 = 313761207
BaseRepresentation
bin111000100111…
…1110100100001
32001212021000020
41301033310201
530044441243
62540144053
7510223143
oct161176441
961767006
1029687073
1115837379
129b38029
1361c5720
143d2ac93
152916283
hex1c4fd21

29687073 has 8 divisors (see below), whose sum is σ = 42627648. Its totient is φ = 18268944.

The previous prime is 29687069. The next prime is 29687081. The reversal of 29687073 is 37078692.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29687073 - 22 = 29687069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29687023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380565 + ... + 380642.

It is an arithmetic number, because the mean of its divisors is an integer number (5328456).

Almost surely, 229687073 is an apocalyptic number.

It is an amenable number.

29687073 is a deficient number, since it is larger than the sum of its proper divisors (12940575).

29687073 is a wasteful number, since it uses less digits than its factorization.

29687073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761223.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 29687073 is about 5448.5844950776. The cubic root of 29687073 is about 309.6390978640.

The spelling of 29687073 in words is "twenty-nine million, six hundred eighty-seven thousand, seventy-three".

Divisors: 1 3 13 39 761207 2283621 9895691 29687073