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41978190 = 2351399273
BaseRepresentation
bin1010000000100…
…0100101001110
32220222201020210
42200020211032
541221300230
64055423250
71016544252
oct240104516
986881223
1041978190
1121771921
1212084b26
13890a087
14580a262
153a42eb0
hex280894e

41978190 has 16 divisors (see below), whose sum is σ = 100747728. Its totient is φ = 11194176.

The previous prime is 41978179. The next prime is 41978203. The reversal of 41978190 is 9187914.

It is a happy number.

It is a super-2 number, since 2×419781902 = 3524336871352200, which contains 22 as substring.

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, 699607 + ... + 699666.

It is an arithmetic number, because the mean of its divisors is an integer number (6296733).

Almost surely, 241978190 is an apocalyptic number.

41978190 is an abundant number, since it is smaller than the sum of its proper divisors (58769538).

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

41978190 is a wasteful number, since it uses less digits than its factorization.

41978190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399283.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 41978190 is about 6479.0578018721. The cubic root of 41978190 is about 347.5424857048.

The spelling of 41978190 in words is "forty-one million, nine hundred seventy-eight thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1399273 2798546 4197819 6996365 8395638 13992730 20989095 41978190