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41978456 = 23131672417
BaseRepresentation
bin1010000000100…
…0101001011000
32220222201121122
42200020221120
541221302311
64055424412
71016545112
oct240105130
986881548
1041978456
1121772043
1212085108
13890a230
14580a3b2
153a430db
hex2808a58

41978456 has 32 divisors (see below), whose sum is σ = 85307040. Its totient is φ = 19250688.

The previous prime is 41978411. The next prime is 41978479. The reversal of 41978456 is 65487914.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16160 + ... + 18576.

It is an arithmetic number, because the mean of its divisors is an integer number (2665845).

Almost surely, 241978456 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 41978456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42653520).

41978456 is an abundant number, since it is smaller than the sum of its proper divisors (43328584).

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

41978456 is a wasteful number, since it uses less digits than its factorization.

41978456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603 (or 2599 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 41978456 is about 6479.0783295157. The cubic root of 41978456 is about 347.5432197853.

The spelling of 41978456 in words is "forty-one million, nine hundred seventy-eight thousand, four hundred fifty-six".

Divisors: 1 2 4 8 13 26 52 104 167 334 668 1336 2171 2417 4342 4834 8684 9668 17368 19336 31421 62842 125684 251368 403639 807278 1614556 3229112 5247307 10494614 20989228 41978456