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41980990 = 2517246947
BaseRepresentation
bin1010000000100…
…1010000111110
32220222212002111
42200021100332
541221342430
64055444234
71016555362
oct240112076
986885074
1041980990
1121773a37
121208667a
13890b42c
14580b2a2
153a43c2a
hex280943e

41980990 has 16 divisors (see below), whose sum is σ = 80011152. Its totient is φ = 15804544.

The previous prime is 41980979. The next prime is 41981021. The reversal of 41980990 is 9908914.

It is a super-3 number, since 3×419809903 (a number of 24 digits) contains 333 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, 123304 + ... + 123643.

It is an arithmetic number, because the mean of its divisors is an integer number (5000697).

Almost surely, 241980990 is an apocalyptic number.

41980990 is a deficient number, since it is larger than the sum of its proper divisors (38030162).

41980990 is a wasteful number, since it uses less digits than its factorization.

41980990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246971.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 41980990 is about 6479.2738790701. The cubic root of 41980990 is about 347.5502127120.

The spelling of 41980990 in words is "forty-one million, nine hundred eighty thousand, nine hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 246947 493894 1234735 2469470 4198099 8396198 20990495 41980990