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47797942 = 261938609
BaseRepresentation
bin1011011001010…
…1011010110110
310022221101110011
42312111122312
544214013232
64424250434
71120163413
oct266253266
9108841404
1047797942
1124a87335
1214010a1a
139b9700a
1464c310a
1542e2547
hex2d956b6

47797942 has 8 divisors (see below), whose sum is σ = 71814600. Its totient is φ = 23859744.

The previous prime is 47797927. The next prime is 47797951. The reversal of 47797942 is 24979774.

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

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, 18067 + ... + 20542.

It is an arithmetic number, because the mean of its divisors is an integer number (8976825).

Almost surely, 247797942 is an apocalyptic number.

47797942 is a deficient number, since it is larger than the sum of its proper divisors (24016658).

47797942 is a wasteful number, since it uses less digits than its factorization.

47797942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39230.

The product of its digits is 889056, while the sum is 49.

The square root of 47797942 is about 6913.6055716247. The cubic root of 47797942 is about 362.9134516803.

It can be divided in two parts, 4779 and 7942, that added together give a palindrome (12721).

The spelling of 47797942 in words is "forty-seven million, seven hundred ninety-seven thousand, nine hundred forty-two".

Divisors: 1 2 619 1238 38609 77218 23898971 47797942