Search a number
-
+
40677880 = 2351016947
BaseRepresentation
bin1001101100101…
…1000111111000
32211112122120011
42123023013320
540403143010
64011511304
71002520255
oct233130770
984478504
1040677880
1120a63991
1211758534
138573269
14558c42c
153887a8a
hex26cb1f8

40677880 has 16 divisors (see below), whose sum is σ = 91525320. Its totient is φ = 16271136.

The previous prime is 40677829. The next prime is 40677881. The reversal of 40677880 is 8877604.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1016947 = 40677880 / (4 + 0 + 6 + 7 + 7 + 8 + 8 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40677881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508434 + ... + 508513.

Almost surely, 240677880 is an apocalyptic number.

40677880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40677880 is an abundant number, since it is smaller than the sum of its proper divisors (50847440).

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

40677880 is a wasteful number, since it uses less digits than its factorization.

40677880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016958 (or 1016954 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 40677880 is about 6377.9212914554. The cubic root of 40677880 is about 343.9163082864.

The spelling of 40677880 in words is "forty million, six hundred seventy-seven thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1016947 2033894 4067788 5084735 8135576 10169470 20338940 40677880