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47999400 = 2335279999
BaseRepresentation
bin1011011100011…
…0100110101000
310100022121210120
42313012212220
544241440100
64432443240
71121662641
oct267064650
9110277716
1047999400
1125104729
12140a9520
139c37917
1465366c8
1543320a0
hex2dc69a8

47999400 has 48 divisors (see below), whose sum is σ = 148800000. Its totient is φ = 12799680.

The previous prime is 47999389. The next prime is 47999401. The reversal of 47999400 is 499974.

47999400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47999401) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 39400 + ... + 40599.

It is an arithmetic number, because the mean of its divisors is an integer number (3100000).

Almost surely, 247999400 is an apocalyptic number.

47999400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47999400 is an abundant number, since it is smaller than the sum of its proper divisors (100800600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47999400 is a wasteful number, since it uses less digits than its factorization.

47999400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80018 (or 80009 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 47999400 is about 6928.1599288700. The cubic root of 47999400 is about 363.4226042930.

The spelling of 47999400 in words is "forty-seven million, nine hundred ninety-nine thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 79999 159998 239997 319996 399995 479994 639992 799990 959988 1199985 1599980 1919976 1999975 2399970 3199960 3999950 4799940 5999925 7999900 9599880 11999850 15999800 23999700 47999400