Search a number
-
+
40694854 = 220347427
BaseRepresentation
bin1001101100111…
…1010001000110
32211120111211211
42123033101012
540404213404
64012122034
71002620614
oct233172106
984514754
1040694854
1120a75712
121176631a
13857abc5
1455946b4
15388cb04
hex26cf446

40694854 has 4 divisors (see below), whose sum is σ = 61042284. Its totient is φ = 20347426.

The previous prime is 40694851. The next prime is 40694879. The reversal of 40694854 is 45849604.

40694854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×406948542 = 3312142284162632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40694851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10173712 + ... + 10173715.

It is an arithmetic number, because the mean of its divisors is an integer number (15260571).

Almost surely, 240694854 is an apocalyptic number.

40694854 is a deficient number, since it is larger than the sum of its proper divisors (20347430).

40694854 is a wasteful number, since it uses less digits than its factorization.

40694854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20347429.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 40694854 is about 6379.2518370104. The cubic root of 40694854 is about 343.9641379146.

The spelling of 40694854 in words is "forty million, six hundred ninety-four thousand, eight hundred fifty-four".

Divisors: 1 2 20347427 40694854