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3781199438 = 22039992681
BaseRepresentation
bin1110000101100000…
…1000011001001110
3100202111222211111122
43201120020121032
530220441340223
61423112120542
7162462444032
oct34130103116
910674884448
103781199438
111670430115
12896396152
134834b3c23
1427c27a1c2
15171e555c8
hexe160864e

3781199438 has 8 divisors (see below), whose sum is σ = 5672138400. Its totient is φ = 1890486640.

The previous prime is 3781199419. The next prime is 3781199441. The reversal of 3781199438 is 8349911873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3781199438.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5543 + ... + 87138.

It is an arithmetic number, because the mean of its divisors is an integer number (709017300).

Almost surely, 23781199438 is an apocalyptic number.

3781199438 is a deficient number, since it is larger than the sum of its proper divisors (1890938962).

3781199438 is a wasteful number, since it uses less digits than its factorization.

3781199438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113082.

The product of its digits is 1306368, while the sum is 53.

The square root of 3781199438 is about 61491.4582523459. The cubic root of 3781199438 is about 1557.9129770133.

The spelling of 3781199438 in words is "three billion, seven hundred eighty-one million, one hundred ninety-nine thousand, four hundred thirty-eight".

Divisors: 1 2 20399 40798 92681 185362 1890599719 3781199438