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47960061 = 359326959
BaseRepresentation
bin1011011011110…
…0111111111101
310100020121211120
42312330333331
544234210221
64431541153
71121440152
oct266747775
9110217746
1047960061
1125088116
121408a7b9
139c22a46
146526229
1543255c6
hex2dbcffd

47960061 has 8 divisors (see below), whose sum is σ = 64056960. Its totient is φ = 31918272.

The previous prime is 47960041. The next prime is 47960063. The reversal of 47960061 is 16006974.

It is a happy number.

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

It is not a de Polignac number, because 47960061 - 218 = 47697917 is a prime.

It is a super-2 number, since 2×479600612 = 4600334902247442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47960063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11701 + ... + 15258.

It is an arithmetic number, because the mean of its divisors is an integer number (8007120).

Almost surely, 247960061 is an apocalyptic number.

It is an amenable number.

47960061 is a deficient number, since it is larger than the sum of its proper divisors (16096899).

47960061 is a wasteful number, since it uses less digits than its factorization.

47960061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27555.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 47960061 is about 6925.3202814022. The cubic root of 47960061 is about 363.3232934034.

The spelling of 47960061 in words is "forty-seven million, nine hundred sixty thousand, sixty-one".

Divisors: 1 3 593 1779 26959 80877 15986687 47960061