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47109379 = 196533797
BaseRepresentation
bin1011001110110…
…1010100000011
310021122101220211
42303231110003
544030000004
64401414551
71111265062
oct263552403
9107571824
1047109379
1124656a79
121393a457
1399b5795
1463841d9
154208504
hex2ced503

47109379 has 8 divisors (see below), whose sum is σ = 49677840. Its totient is φ = 44549856.

The previous prime is 47109371. The next prime is 47109401. The reversal of 47109379 is 97390174.

47109379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47109379 - 23 = 47109371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47109371) 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, 10509 + ... + 14305.

It is an arithmetic number, because the mean of its divisors is an integer number (6209730).

Almost surely, 247109379 is an apocalyptic number.

47109379 is a deficient number, since it is larger than the sum of its proper divisors (2568461).

47109379 is a wasteful number, since it uses less digits than its factorization.

47109379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 47109379 is about 6863.6272480373. The cubic root of 47109379 is about 361.1623413304.

The spelling of 47109379 in words is "forty-seven million, one hundred nine thousand, three hundred seventy-nine".

Divisors: 1 19 653 3797 12407 72143 2479441 47109379