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47140608 = 28361381
BaseRepresentation
bin1011001111010…
…0111100000000
310021200222202110
42303310330000
544031444413
64402215320
71111455114
oct263647400
9107628673
1047140608
1124678489
1213954540
1399c6a68
146391744
1542128c3
hex2cf4f00

47140608 has 36 divisors (see below), whose sum is σ = 125464808. Its totient is φ = 15713280.

The previous prime is 47140607. The next prime is 47140619. The reversal of 47140608 is 80604174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47140603) 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, 29923 + ... + 31458.

Almost surely, 247140608 is an apocalyptic number.

47140608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47140608 is an abundant number, since it is smaller than the sum of its proper divisors (78324200).

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

47140608 is an equidigital number, since it uses as much as digits as its factorization.

47140608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61400 (or 61386 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 47140608 is about 6865.9018344279. The cubic root of 47140608 is about 361.2421290335.

The spelling of 47140608 in words is "forty-seven million, one hundred forty thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 61381 122762 184143 245524 368286 491048 736572 982096 1473144 1964192 2946288 3928384 5892576 7856768 11785152 15713536 23570304 47140608