Search a number
-
+
40254830 = 25711232273
BaseRepresentation
bin1001100110001…
…1110101101110
32210202011020122
42121203311232
540301123310
63554444542
7666106010
oct231436556
983664218
1040254830
11207a5060
1211593752
138455835
1454bc1b0
153802555
hex2663d6e

40254830 has 64 divisors (see below), whose sum is σ = 94307328. Its totient is φ = 11996160.

The previous prime is 40254821. The next prime is 40254857. The reversal of 40254830 is 3845204.

It is a self number, because there is not a number n which added to its sum of digits gives 40254830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16574 + ... + 18846.

It is an arithmetic number, because the mean of its divisors is an integer number (1473552).

Almost surely, 240254830 is an apocalyptic number.

40254830 is an abundant number, since it is smaller than the sum of its proper divisors (54052498).

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

40254830 is a wasteful number, since it uses less digits than its factorization.

40254830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40254830 is about 6344.6694161319. The cubic root of 40254830 is about 342.7199077913.

The spelling of 40254830 in words is "forty million, two hundred fifty-four thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 23 35 46 55 70 77 110 115 154 161 230 253 322 385 506 770 805 1265 1610 1771 2273 2530 3542 4546 8855 11365 15911 17710 22730 25003 31822 50006 52279 79555 104558 125015 159110 175021 250030 261395 350042 365953 522790 575069 731906 875105 1150138 1750210 1829765 2875345 3659530 4025483 5750690 8050966 20127415 40254830