Search a number
-
+
57406193 = 139474663
BaseRepresentation
bin1101101011111…
…1001011110001
311000000112111022
43122333023301
5104143444233
65410225225
71264641665
oct332771361
9130015438
1057406193
112a44a139
1217285215
13bb7c480
1478a48a5
15508e398
hex36bf2f1

57406193 has 8 divisors (see below), whose sum is σ = 61900608. Its totient is φ = 52923024.

The previous prime is 57406189. The next prime is 57406199. The reversal of 57406193 is 39160475.

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

It is a cyclic number.

It is not a de Polignac number, because 57406193 - 22 = 57406189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57406199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9980 + ... + 14642.

It is an arithmetic number, because the mean of its divisors is an integer number (7737576).

Almost surely, 257406193 is an apocalyptic number.

It is an amenable number.

57406193 is a deficient number, since it is larger than the sum of its proper divisors (4494415).

57406193 is a wasteful number, since it uses less digits than its factorization.

57406193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5623.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 57406193 is about 7576.6874688085. The cubic root of 57406193 is about 385.7621222204.

The spelling of 57406193 in words is "fifty-seven million, four hundred six thousand, one hundred ninety-three".

Divisors: 1 13 947 4663 12311 60619 4415861 57406193