Base | Representation |
---|---|
bin | 1011011011100… |
… | …0110100011110 |
3 | 10100012202100112 |
4 | 2312320310132 |
5 | 44233133232 |
6 | 4431330022 |
7 | 1121336225 |
oct | 266706436 |
9 | 110182315 |
10 | 47942942 |
11 | 25076273 |
12 | 14080912 |
13 | 9c18008 |
14 | 651dcbc |
15 | 43204b2 |
hex | 2db8d1e |
47942942 has 8 divisors (see below), whose sum is σ = 72058896. Its totient is φ = 23923312.
The previous prime is 47942927. The next prime is 47943001. The reversal of 47942942 is 24924974.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 47942942.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22823 + ... + 24834.
It is an arithmetic number, because the mean of its divisors is an integer number (9007362).
Almost surely, 247942942 is an apocalyptic number.
47942942 is a deficient number, since it is larger than the sum of its proper divisors (24115954).
47942942 is a wasteful number, since it uses less digits than its factorization.
47942942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48162.
The product of its digits is 145152, while the sum is 41.
The square root of 47942942 is about 6924.0841993725. The cubic root of 47942942 is about 363.2800597106.
It can be divided in two parts, 47942 and 942, that added together give a palindrome (48884).
The spelling of 47942942 in words is "forty-seven million, nine hundred forty-two thousand, nine hundred forty-two".
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