Search a number
-
+
20057174 = 210028587
BaseRepresentation
bin100110010000…
…0110001010110
31101202000021022
41030200301112
520113312144
61553521142
7332324504
oct114406126
941660238
1020057174
111035a285
1268731b2
134203467
142941674
151b62cee
hex1320c56

20057174 has 4 divisors (see below), whose sum is σ = 30085764. Its totient is φ = 10028586.

The previous prime is 20057171. The next prime is 20057189. The reversal of 20057174 is 47175002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20057171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5014292 + ... + 5014295.

It is an arithmetic number, because the mean of its divisors is an integer number (7521441).

Almost surely, 220057174 is an apocalyptic number.

20057174 is a deficient number, since it is larger than the sum of its proper divisors (10028590).

20057174 is a wasteful number, since it uses less digits than its factorization.

20057174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10028589.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 20057174 is about 4478.5236406655. The cubic root of 20057174 is about 271.7001724308.

The spelling of 20057174 in words is "twenty million, fifty-seven thousand, one hundred seventy-four".

Divisors: 1 2 10028587 20057174