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47871701 = 67714503
BaseRepresentation
bin1011011010011…
…1011011010101
310100002010121222
42312213123111
544223343301
64430020125
71120621433
oct266473325
9110063558
1047871701
1125027799
1214047645
139bc1767
146501d53
15430931b
hex2da76d5

47871701 has 4 divisors (see below), whose sum is σ = 48586272. Its totient is φ = 47157132.

The previous prime is 47871683. The next prime is 47871713. The reversal of 47871701 is 10717874.

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: 10717874 = 25358937.

It is a cyclic number.

It is not a de Polignac number, because 47871701 - 214 = 47855317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47871751) 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, 357185 + ... + 357318.

It is an arithmetic number, because the mean of its divisors is an integer number (12146568).

Almost surely, 247871701 is an apocalyptic number.

It is an amenable number.

47871701 is a deficient number, since it is larger than the sum of its proper divisors (714571).

47871701 is an equidigital number, since it uses as much as digits as its factorization.

47871701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714570.

The product of its (nonzero) digits is 10976, while the sum is 35.

The square root of 47871701 is about 6918.9378520117. The cubic root of 47871701 is about 363.1000313735.

The spelling of 47871701 in words is "forty-seven million, eight hundred seventy-one thousand, seven hundred one".

Divisors: 1 67 714503 47871701