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42683220 = 2233579043
BaseRepresentation
bin1010001011010…
…0101101010100
32222022112101000
42202310231110
541411330340
64122503300
71025541606
oct242645524
988275330
1042683220
1122103598
1212364b30
138ac5c58
145951176
153b31d30
hex28b4b54

42683220 has 48 divisors (see below), whose sum is σ = 132793920. Its totient is φ = 11382048.

The previous prime is 42683203. The next prime is 42683231. The reversal of 42683220 is 2238624.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38982 + ... + 40061.

It is an arithmetic number, because the mean of its divisors is an integer number (2766540).

Almost surely, 242683220 is an apocalyptic number.

It is an amenable number.

42683220 is an abundant number, since it is smaller than the sum of its proper divisors (90110700).

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

42683220 is a wasteful number, since it uses less digits than its factorization.

42683220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79061 (or 79053 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 42683220 is about 6533.2396251783. The cubic root of 42683220 is about 349.4773696412.

The spelling of 42683220 in words is "forty-two million, six hundred eighty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 79043 158086 237129 316172 395215 474258 711387 790430 948516 1185645 1422774 1580860 2134161 2371290 2845548 3556935 4268322 4742580 7113870 8536644 10670805 14227740 21341610 42683220