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40623118 = 220311559
BaseRepresentation
bin1001101011110…
…1110000001110
32211102212102221
42122331300032
540344414433
64010405554
71002201514
oct232756016
984385387
1040623118
1120a26828
12117308ba
138554363
1455764b4
15387672d
hex26bdc0e

40623118 has 4 divisors (see below), whose sum is σ = 60934680. Its totient is φ = 20311558.

The previous prime is 40623073. The next prime is 40623119. The reversal of 40623118 is 81132604.

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

It is a junction number, because it is equal to n+sod(n) for n = 40623092 and 40623101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40623119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155778 + ... + 10155781.

It is an arithmetic number, because the mean of its divisors is an integer number (15233670).

Almost surely, 240623118 is an apocalyptic number.

40623118 is a deficient number, since it is larger than the sum of its proper divisors (20311562).

40623118 is a wasteful number, since it uses less digits than its factorization.

40623118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20311561.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 40623118 is about 6373.6267540546. The cubic root of 40623118 is about 343.7619082156.

The spelling of 40623118 in words is "forty million, six hundred twenty-three thousand, one hundred eighteen".

Divisors: 1 2 20311559 40623118