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41978031 = 3113123829
BaseRepresentation
bin1010000000100…
…0100010101111
32220222201000220
42200020202233
541221244111
64055422423
71016543634
oct240104257
986881026
1041978031
1121771797
1212084a13
138909c94
14580a18b
153a42e06
hex28088af

41978031 has 8 divisors (see below), whose sum is σ = 56466480. Its totient is φ = 27737472.

The previous prime is 41978023. The next prime is 41978081. The reversal of 41978031 is 13087914.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41978031 - 23 = 41978023 is a prime.

It is a super-2 number, since 2×419780312 = 3524310173273922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 41977983 and 41978001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41978081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61576 + ... + 62253.

It is an arithmetic number, because the mean of its divisors is an integer number (7058310).

Almost surely, 241978031 is an apocalyptic number.

41978031 is a deficient number, since it is larger than the sum of its proper divisors (14488449).

41978031 is a wasteful number, since it uses less digits than its factorization.

41978031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123945.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 41978031 is about 6479.0455315579. The cubic root of 41978031 is about 347.5420469109.

The spelling of 41978031 in words is "forty-one million, nine hundred seventy-eight thousand, thirty-one".

Divisors: 1 3 113 339 123829 371487 13992677 41978031