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41820020 = 2251131571
BaseRepresentation
bin1001111110000…
…1111101110100
32220200200021122
42133201331310
541201220040
64052203112
71015315154
oct237417564
986620248
1041820020
1121674000
1212009498
138883098
1457a8764
153a111b5
hex27e1f74

41820020 has 48 divisors (see below), whose sum is σ = 96659136. Its totient is φ = 15197600.

The previous prime is 41820013. The next prime is 41820043. The reversal of 41820020 is 2002814.

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, 25835 + ... + 27405.

It is an arithmetic number, because the mean of its divisors is an integer number (2013732).

Almost surely, 241820020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41820020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48329568).

41820020 is an abundant number, since it is smaller than the sum of its proper divisors (54839116).

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

41820020 is a wasteful number, since it uses less digits than its factorization.

41820020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 41820020 is about 6466.8400320404. The cubic root of 41820020 is about 347.1054334998.

Adding to 41820020 its reverse (2002814), we get a palindrome (43822834).

The spelling of 41820020 in words is "forty-one million, eight hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 1331 1571 2420 2662 3142 5324 6284 6655 7855 13310 15710 17281 26620 31420 34562 69124 86405 172810 190091 345620 380182 760364 950455 1900910 2091001 3801820 4182002 8364004 10455005 20910010 41820020