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42818670 = 2325475763
BaseRepresentation
bin1010001101010…
…1110001101110
32222120102011200
42203111301232
541430144140
64125430330
71026644526
oct243256156
988512150
1042818670
1122196334
121240b3a6
138b427bb
145988686
153b5c030
hex28d5c6e

42818670 has 24 divisors (see below), whose sum is σ = 111328776. Its totient is φ = 11418288.

The previous prime is 42818641. The next prime is 42818681. The reversal of 42818670 is 7681824.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237792 + ... + 237971.

It is an arithmetic number, because the mean of its divisors is an integer number (4638699).

Almost surely, 242818670 is an apocalyptic number.

42818670 is an abundant number, since it is smaller than the sum of its proper divisors (68510106).

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

42818670 is a wasteful number, since it uses less digits than its factorization.

42818670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475776 (or 475773 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 42818670 is about 6543.5976343293. The cubic root of 42818670 is about 349.8466539125.

The spelling of 42818670 in words is "forty-two million, eight hundred eighteen thousand, six hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 475763 951526 1427289 2378815 2854578 4281867 4757630 7136445 8563734 14272890 21409335 42818670