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47242401 = 319979133
BaseRepresentation
bin1011010000110…
…1110010100001
310021220011101120
42310031302201
544043224101
64404322453
71112360643
oct264156241
9107804346
1047242401
1124737a08
12139a3429
139a311ab
1463ba893
154232b36
hex2d0dca1

47242401 has 8 divisors (see below), whose sum is σ = 63307200. Its totient is φ = 31336272.

The previous prime is 47242397. The next prime is 47242411. The reversal of 47242401 is 10424274.

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

It is not a de Polignac number, because 47242401 - 22 = 47242397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47242411) 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, 38970 + ... + 40163.

It is an arithmetic number, because the mean of its divisors is an integer number (7913400).

Almost surely, 247242401 is an apocalyptic number.

It is an amenable number.

47242401 is a deficient number, since it is larger than the sum of its proper divisors (16064799).

47242401 is a wasteful number, since it uses less digits than its factorization.

47242401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79335.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 47242401 is about 6873.3107742921. The cubic root of 47242401 is about 361.5019579829.

Adding to 47242401 its reverse (10424274), we get a palindrome (57666675).

The spelling of 47242401 in words is "forty-seven million, two hundred forty-two thousand, four hundred one".

Divisors: 1 3 199 597 79133 237399 15747467 47242401