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47919412 = 2211979853
BaseRepresentation
bin1011011011001…
…1000100110100
310100011120002001
42312303010310
544231410122
64431025044
71121210512
oct266630464
9110146061
1047919412
112505a622
121406b184
139c0a3a8
1465154b2
154318527
hex2db3134

47919412 has 6 divisors (see below), whose sum is σ = 83858978. Its totient is φ = 23959704.

The previous prime is 47919371. The next prime is 47919427. The reversal of 47919412 is 21491974.

47919412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47692836 + 226576 = 6906^2 + 476^2 .

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 as a sum of consecutive naturals, namely, 5989923 + ... + 5989930.

Almost surely, 247919412 is an apocalyptic number.

It is an amenable number.

47919412 is a deficient number, since it is larger than the sum of its proper divisors (35939566).

47919412 is a wasteful number, since it uses less digits than its factorization.

47919412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11979857 (or 11979855 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 47919412 is about 6922.3848491687. The cubic root of 47919412 is about 363.2206183674.

It can be divided in two parts, 479 and 19412, that added together give a palindrome (19891).

The spelling of 47919412 in words is "forty-seven million, nine hundred nineteen thousand, four hundred twelve".

Divisors: 1 2 4 11979853 23959706 47919412