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29686970 = 252968697
BaseRepresentation
bin111000100111…
…1110010111010
32001212020212102
41301033302322
530044440340
62540143402
7510222635
oct161176272
961766772
1029686970
1115837295
129b37b62
1361c5671
143d2ac1c
152916215
hex1c4fcba

29686970 has 8 divisors (see below), whose sum is σ = 53436564. Its totient is φ = 11874784.

The previous prime is 29686967. The next prime is 29686999. The reversal of 29686970 is 7968692.

It can be written as a sum of positive squares in 2 ways, for example, as 29669809 + 17161 = 5447^2 + 131^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484339 + ... + 1484358.

Almost surely, 229686970 is an apocalyptic number.

29686970 is a deficient number, since it is larger than the sum of its proper divisors (23749594).

29686970 is a wasteful number, since it uses less digits than its factorization.

29686970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968704.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 29686970 is about 5448.5750430732. The cubic root of 29686970 is about 309.6387397635.

The spelling of 29686970 in words is "twenty-nine million, six hundred eighty-six thousand, nine hundred seventy".

Divisors: 1 2 5 10 2968697 5937394 14843485 29686970