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47319146 = 273379939
BaseRepresentation
bin1011010010000…
…0100001101010
310022001001122222
42310200201222
544103203041
64410114042
71113130460
oct264404152
9108031588
1047319146
112478a636
1213a1b922
139a5a0c4
1463da830
15424a74b
hex2d2086a

47319146 has 8 divisors (see below), whose sum is σ = 81118560. Its totient is φ = 20279628.

The previous prime is 47319067. The next prime is 47319149. The reversal of 47319146 is 64191374.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47319149) 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, 1689956 + ... + 1689983.

It is an arithmetic number, because the mean of its divisors is an integer number (10139820).

Almost surely, 247319146 is an apocalyptic number.

47319146 is a deficient number, since it is larger than the sum of its proper divisors (33799414).

47319146 is a wasteful number, since it uses less digits than its factorization.

47319146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379948.

The product of its digits is 18144, while the sum is 35.

The square root of 47319146 is about 6878.8913350917. The cubic root of 47319146 is about 361.6976046738.

The spelling of 47319146 in words is "forty-seven million, three hundred nineteen thousand, one hundred forty-six".

Divisors: 1 2 7 14 3379939 6759878 23659573 47319146