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47241497 = 53891349
BaseRepresentation
bin1011010000110…
…1100100011001
310021220010011002
42310031210121
544043211442
64404314345
71112355212
oct264154431
9107803132
1047241497
1124737266
12139a29b5
139a30964
1463ba409
154232732
hex2d0d919

47241497 has 4 divisors (see below), whose sum is σ = 48132900. Its totient is φ = 46350096.

The previous prime is 47241443. The next prime is 47241527. The reversal of 47241497 is 79414274.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21799561 + 25441936 = 4669^2 + 5044^2 .

It is a cyclic number.

It is not a de Polignac number, because 47241497 - 26 = 47241433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47241497.

It is not an unprimeable number, because it can be changed into a prime (47241697) 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, 445622 + ... + 445727.

It is an arithmetic number, because the mean of its divisors is an integer number (12033225).

Almost surely, 247241497 is an apocalyptic number.

It is an amenable number.

47241497 is a deficient number, since it is larger than the sum of its proper divisors (891403).

47241497 is an equidigital number, since it uses as much as digits as its factorization.

47241497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891402.

The product of its digits is 56448, while the sum is 38.

The square root of 47241497 is about 6873.2450123650. The cubic root of 47241497 is about 361.4996521457.

The spelling of 47241497 in words is "forty-seven million, two hundred forty-one thousand, four hundred ninety-seven".

Divisors: 1 53 891349 47241497