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42547208 = 2311483491
BaseRepresentation
bin1010001001001…
…1100000001000
32222001121210112
42202103200020
541343002313
64115533452
71024434224
oct242234010
988047715
1042547208
1122020390
12122ba288
138a79082
145917784
153b068a8
hex2893808

42547208 has 16 divisors (see below), whose sum is σ = 87028560. Its totient is φ = 19339600.

The previous prime is 42547199. The next prime is 42547223. The reversal of 42547208 is 80274524.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241658 + ... + 241833.

It is an arithmetic number, because the mean of its divisors is an integer number (5439285).

Almost surely, 242547208 is an apocalyptic number.

It is an amenable number.

42547208 is an abundant number, since it is smaller than the sum of its proper divisors (44481352).

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

42547208 is a wasteful number, since it uses less digits than its factorization.

42547208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483508 (or 483504 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 42547208 is about 6522.8220886362. The cubic root of 42547208 is about 349.1057661994.

The spelling of 42547208 in words is "forty-two million, five hundred forty-seven thousand, two hundred eight".

Divisors: 1 2 4 8 11 22 44 88 483491 966982 1933964 3867928 5318401 10636802 21273604 42547208