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47140404 = 2233928367
BaseRepresentation
bin1011001111010…
…0111000110100
310021200222110220
42303310320310
544031443104
64402214340
71111454403
oct263647064
9107628426
1047140404
1124678313
12139543b0
1399c693c
14639163a
1542127d9
hex2cf4e34

47140404 has 12 divisors (see below), whose sum is σ = 109994304. Its totient is φ = 15713464.

The previous prime is 47140403. The next prime is 47140411. The reversal of 47140404 is 40404174.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47140403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1964172 + ... + 1964195.

It is an arithmetic number, because the mean of its divisors is an integer number (9166192).

Almost surely, 247140404 is an apocalyptic number.

It is an amenable number.

47140404 is an abundant number, since it is smaller than the sum of its proper divisors (62853900).

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

47140404 is a wasteful number, since it uses less digits than its factorization.

47140404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928374 (or 3928372 counting only the distinct ones).

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

The square root of 47140404 is about 6865.8869783882. The cubic root of 47140404 is about 361.2416079435.

Adding to 47140404 its reverse (40404174), we get a palindrome (87544578).

The spelling of 47140404 in words is "forty-seven million, one hundred forty thousand, four hundred four".

Divisors: 1 2 3 4 6 12 3928367 7856734 11785101 15713468 23570202 47140404