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47469540 = 2235791159
BaseRepresentation
bin1011010100010…
…1001111100100
310022022200222010
42311011033210
544123011130
64413234220
71114325106
oct265051744
9108280863
1047469540
1124882628
1213a92970
139ab06b1
146439576
15427a0b0
hex2d453e4

47469540 has 24 divisors (see below), whose sum is σ = 132914880. Its totient is φ = 12658528.

The previous prime is 47469533. The next prime is 47469563. The reversal of 47469540 is 4596474.

It is a happy number.

47469540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 395520 + ... + 395639.

It is an arithmetic number, because the mean of its divisors is an integer number (5538120).

Almost surely, 247469540 is an apocalyptic number.

It is an amenable number.

47469540 is an abundant number, since it is smaller than the sum of its proper divisors (85445340).

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

47469540 is a wasteful number, since it uses less digits than its factorization.

47469540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791171 (or 791169 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 47469540 is about 6889.8142210077. The cubic root of 47469540 is about 362.0803927960.

The spelling of 47469540 in words is "forty-seven million, four hundred sixty-nine thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 791159 1582318 2373477 3164636 3955795 4746954 7911590 9493908 11867385 15823180 23734770 47469540