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47379379 = 232059973
BaseRepresentation
bin1011010010111…
…1001110110011
310022011010021211
42310233032303
544112120004
64411300551
71113501205
oct264571663
9108133254
1047379379
1124820913
1213a4a757
139a7b648
146414775
15425d504
hex2d2f3b3

47379379 has 4 divisors (see below), whose sum is σ = 49439376. Its totient is φ = 45319384.

The previous prime is 47379361. The next prime is 47379433. The reversal of 47379379 is 97397374.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47379379 - 25 = 47379347 is a prime.

It is a super-3 number, since 3×473793793 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47379329) 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, 1029964 + ... + 1030009.

It is an arithmetic number, because the mean of its divisors is an integer number (12359844).

Almost surely, 247379379 is an apocalyptic number.

47379379 is a deficient number, since it is larger than the sum of its proper divisors (2059997).

47379379 is a wasteful number, since it uses less digits than its factorization.

47379379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059996.

The product of its digits is 1000188, while the sum is 49.

The square root of 47379379 is about 6883.2680465023. The cubic root of 47379379 is about 361.8510090655.

The spelling of 47379379 in words is "forty-seven million, three hundred seventy-nine thousand, three hundred seventy-nine".

Divisors: 1 23 2059973 47379379