Search a number
-
+
40801950 = 23252712953
BaseRepresentation
bin1001101110100…
…1011010011110
32211202221202100
42123221122132
540421130300
64014305530
71003545060
oct233513236
984687670
1040801950
1121039122
12117b82a6
1385b7887
1455c1730
1538ae700
hex26e969e

40801950 has 72 divisors (see below), whose sum is σ = 125291088. Its totient is φ = 9325440.

The previous prime is 40801919. The next prime is 40801951. The reversal of 40801950 is 5910804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40801951) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3327 + ... + 9626.

It is an arithmetic number, because the mean of its divisors is an integer number (1740154).

Almost surely, 240801950 is an apocalyptic number.

40801950 is an abundant number, since it is smaller than the sum of its proper divisors (84489138).

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

40801950 is a wasteful number, since it uses less digits than its factorization.

40801950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12978 (or 12970 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 40801950 is about 6387.6404094157. The cubic root of 40801950 is about 344.2656085942.

The spelling of 40801950 in words is "forty million, eight hundred one thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 50 63 70 75 90 105 126 150 175 210 225 315 350 450 525 630 1050 1575 3150 12953 25906 38859 64765 77718 90671 116577 129530 181342 194295 233154 272013 323825 388590 453355 544026 582885 647650 816039 906710 971475 1165770 1360065 1632078 1942950 2266775 2720130 2914425 4080195 4533550 5828850 6800325 8160390 13600650 20400975 40801950