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47490900 = 22352158303
BaseRepresentation
bin1011010100101…
…0011101010100
310022100210021020
42311022131110
544124202100
64413521140
71114444302
oct265123524
9108323236
1047490900
1124897686
1213aa31b0
139aba332
146443272
1542815a0
hex2d4a754

47490900 has 36 divisors (see below), whose sum is σ = 137407872. Its totient is φ = 12664160.

The previous prime is 47490889. The next prime is 47490941. The reversal of 47490900 is 909474.

47490900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 11 ways as a sum of consecutive naturals, for example, 78852 + ... + 79451.

Almost surely, 247490900 is an apocalyptic number.

It is an amenable number.

47490900 is an abundant number, since it is smaller than the sum of its proper divisors (89916972).

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

47490900 is a wasteful number, since it uses less digits than its factorization.

47490900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158320 (or 158313 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 47490900 is about 6891.3641610352. The cubic root of 47490900 is about 362.1346934236.

The spelling of 47490900 in words is "forty-seven million, four hundred ninety thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 158303 316606 474909 633212 791515 949818 1583030 1899636 2374545 3166060 3957575 4749090 7915150 9498180 11872725 15830300 23745450 47490900