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524474138 = 21913801951
BaseRepresentation
bin11111010000101…
…101011100011010
31100112220001021002
4133100231130122
52033231133023
6124013145002
715665646056
oct3720553432
91315801232
10524474138
1124a063201
1212778b162
1384873b36
144d926c66
153109eb28
hex1f42d71a

524474138 has 8 divisors (see below), whose sum is σ = 828117120. Its totient is φ = 248435100.

The previous prime is 524474131. The next prime is 524474141. The reversal of 524474138 is 831474425.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 13801951 = 524474138 / (5 + 2 + 4 + 4 + 7 + 4 + 1 + 3 + 8).

It is not an unprimeable number, because it can be changed into a prime (524474131) 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, 6900938 + ... + 6901013.

It is an arithmetic number, because the mean of its divisors is an integer number (103514640).

Almost surely, 2524474138 is an apocalyptic number.

524474138 is a deficient number, since it is larger than the sum of its proper divisors (303642982).

524474138 is a wasteful number, since it uses less digits than its factorization.

524474138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13801972.

The product of its digits is 107520, while the sum is 38.

The square root of 524474138 is about 22901.4003501969. The cubic root of 524474138 is about 806.4448867423. Note that the first 3 decimals are identical.

The spelling of 524474138 in words is "five hundred twenty-four million, four hundred seventy-four thousand, one hundred thirty-eight".

Divisors: 1 2 19 38 13801951 27603902 262237069 524474138