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26970730 = 252697073
BaseRepresentation
bin110011011100…
…0101001101010
31212202020212221
41212320221222
523401030410
62402024254
7445150603
oct146705152
955666787
1026970730
1114251566
12904808a
135784217
143820daa
15257b4da
hex19b8a6a

26970730 has 8 divisors (see below), whose sum is σ = 48547332. Its totient is φ = 10788288.

The previous prime is 26970689. The next prime is 26970731. The reversal of 26970730 is 3707962.

It can be written as a sum of positive squares in 2 ways, for example, as 26967249 + 3481 = 5193^2 + 59^2 .

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

It is not an unprimeable number, because it can be changed into a prime (26970731) 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 3 ways as a sum of consecutive naturals, for example, 1348527 + ... + 1348546.

Almost surely, 226970730 is an apocalyptic number.

26970730 is a deficient number, since it is larger than the sum of its proper divisors (21576602).

26970730 is a wasteful number, since it uses less digits than its factorization.

26970730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697080.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 26970730 is about 5193.3351519038. The cubic root of 26970730 is about 299.8915533951.

The spelling of 26970730 in words is "twenty-six million, nine hundred seventy thousand, seven hundred thirty".

Divisors: 1 2 5 10 2697073 5394146 13485365 26970730