Search a number
-
+
40792990 = 25741699
BaseRepresentation
bin1001101110011…
…1001110011110
32211202111110111
42123213032132
540420333430
64014200234
71003510000
oct233471636
984674414
1040792990
1121032417
12117b307a
1385b3784
1455bc370
1538abc2a
hex26e739e

40792990 has 40 divisors (see below), whose sum is σ = 85710600. Its totient is φ = 13977936.

The previous prime is 40792967. The next prime is 40793003. The reversal of 40792990 is 9929704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23161 + ... + 24859.

It is an arithmetic number, because the mean of its divisors is an integer number (2142765).

Almost surely, 240792990 is an apocalyptic number.

40792990 is an abundant number, since it is smaller than the sum of its proper divisors (44917610).

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

40792990 is an equidigital number, since it uses as much as digits as its factorization.

40792990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 40792990 is about 6386.9390164616. The cubic root of 40792990 is about 344.2404068112.

The spelling of 40792990 in words is "forty million, seven hundred ninety-two thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 343 490 686 1699 1715 2401 3398 3430 4802 8495 11893 12005 16990 23786 24010 59465 83251 118930 166502 416255 582757 832510 1165514 2913785 4079299 5827570 8158598 20396495 40792990