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47069061 = 3131963521
BaseRepresentation
bin1011001110001…
…1011110000101
310021120100121120
42303203132011
544022202221
64400504153
71111036404
oct263433605
9107510546
1047069061
1124629756
121391b059
1399a0320
14637363b
1541eb5c6
hex2ce3785

47069061 has 16 divisors (see below), whose sum is σ = 71144640. Its totient is φ = 27440640.

The previous prime is 47069053. The next prime is 47069083. The reversal of 47069061 is 16096074.

It is a happy number.

It is not a de Polignac number, because 47069061 - 23 = 47069053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47069261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31020 + ... + 32501.

It is an arithmetic number, because the mean of its divisors is an integer number (4446540).

Almost surely, 247069061 is an apocalyptic number.

It is an amenable number.

47069061 is a deficient number, since it is larger than the sum of its proper divisors (24075579).

47069061 is a wasteful number, since it uses less digits than its factorization.

47069061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63556.

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

The square root of 47069061 is about 6860.6895426043. The cubic root of 47069061 is about 361.0592797631.

The spelling of 47069061 in words is "forty-seven million, sixty-nine thousand, sixty-one".

Divisors: 1 3 13 19 39 57 247 741 63521 190563 825773 1206899 2477319 3620697 15689687 47069061