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47480593 = 139341587
BaseRepresentation
bin1011010100011…
…1111100010001
310022100021010111
42311013330101
544123334333
64413401321
71114402246
oct265077421
9108307114
1047480593
112488a966
1213a99241
139ab5734
14643d5cd
15427d4cd
hex2d47f11

47480593 has 4 divisors (see below), whose sum is σ = 47822320. Its totient is φ = 47138868.

The previous prime is 47480581. The next prime is 47480617. The reversal of 47480593 is 39508474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39508474 = 219754237.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47480593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47480393) 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, 170655 + ... + 170932.

It is an arithmetic number, because the mean of its divisors is an integer number (11955580).

Almost surely, 247480593 is an apocalyptic number.

It is an amenable number.

47480593 is a deficient number, since it is larger than the sum of its proper divisors (341727).

47480593 is a wasteful number, since it uses less digits than its factorization.

47480593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341726.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 47480593 is about 6890.6163004480. The cubic root of 47480593 is about 362.1084933702.

The spelling of 47480593 in words is "forty-seven million, four hundred eighty thousand, five hundred ninety-three".

Divisors: 1 139 341587 47480593