Search a number
-
+
47970795 = 3531711453
BaseRepresentation
bin1011011011111…
…1100111101011
310100021011120010
42312333213223
544240031140
64432103003
71121513355
oct266774753
9110234503
1047970795
1125095194
1214094a63
139c278b2
14652a0d5
154328880
hex2dbf9eb

47970795 has 32 divisors (see below), whose sum is σ = 80400384. Its totient is φ = 24393600.

The previous prime is 47970761. The next prime is 47970799. The reversal of 47970795 is 59707974.

It is not a de Polignac number, because 47970795 - 27 = 47970667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47970799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32289 + ... + 33741.

It is an arithmetic number, because the mean of its divisors is an integer number (2512512).

Almost surely, 247970795 is an apocalyptic number.

47970795 is a deficient number, since it is larger than the sum of its proper divisors (32429589).

47970795 is a wasteful number, since it uses less digits than its factorization.

47970795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563.

The product of its (nonzero) digits is 555660, while the sum is 48.

The square root of 47970795 is about 6926.0952202522. The cubic root of 47970795 is about 363.3503966586.

The spelling of 47970795 in words is "forty-seven million, nine hundred seventy thousand, seven hundred ninety-five".

Divisors: 1 3 5 15 31 71 93 155 213 355 465 1065 1453 2201 4359 6603 7265 11005 21795 33015 45043 103163 135129 225215 309489 515815 675645 1547445 3198053 9594159 15990265 47970795