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47497948 = 2219624973
BaseRepresentation
bin1011010100110…
…0001011011100
310022101010221021
42311030023130
544124413243
64414013524
71114503661
oct265141334
9108333837
1047497948
11248a1a03
1213aa72a4
139ac05c4
146445a68
1542836ed
hex2d4c2dc

47497948 has 12 divisors (see below), whose sum is σ = 87496360. Its totient is φ = 22498992.

The previous prime is 47497939. The next prime is 47497951. The reversal of 47497948 is 84979474.

47497948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47497895 and 47497904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312411 + ... + 312562.

Almost surely, 247497948 is an apocalyptic number.

It is an amenable number.

47497948 is a deficient number, since it is larger than the sum of its proper divisors (39998412).

47497948 is a wasteful number, since it uses less digits than its factorization.

47497948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624996 (or 624994 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 47497948 is about 6891.8755067108. The cubic root of 47497948 is about 362.1526070243.

The spelling of 47497948 in words is "forty-seven million, four hundred ninety-seven thousand, nine hundred forty-eight".

Divisors: 1 2 4 19 38 76 624973 1249946 2499892 11874487 23748974 47497948