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47063641 = 239196919
BaseRepresentation
bin1011001110001…
…0001001011001
310021120002011211
42303202021121
544022014031
64400423121
71111014532
oct263421131
9107502154
1047063641
1124625679
1213917aa1
13999aa11
146371689
1541e9bb1
hex2ce2259

47063641 has 4 divisors (see below), whose sum is σ = 47260800. Its totient is φ = 46866484.

The previous prime is 47063623. The next prime is 47063657. The reversal of 47063641 is 14636074.

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: 14636074 = 27318037.

It is a cyclic number.

It is not a de Polignac number, because 47063641 - 221 = 44966489 is a prime.

It is a Duffinian number.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (47063671) 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, 98221 + ... + 98698.

It is an arithmetic number, because the mean of its divisors is an integer number (11815200).

Almost surely, 247063641 is an apocalyptic number.

It is an amenable number.

47063641 is a deficient number, since it is larger than the sum of its proper divisors (197159).

47063641 is a wasteful number, since it uses less digits than its factorization.

47063641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197158.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 47063641 is about 6860.2945272051. The cubic root of 47063641 is about 361.0454205785.

The spelling of 47063641 in words is "forty-seven million, sixty-three thousand, six hundred forty-one".

Divisors: 1 239 196919 47063641