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551753138 = 2304990481
BaseRepresentation
bin100000111000110…
…001010110110010
31102110012222000102
4200320301112302
52112222100023
6130425552402
716446552506
oct4070612662
91373188012
10551753138
112634a5332
12134945702
138a405461
14533c8306
153368c628
hex20e315b2

551753138 has 8 divisors (see below), whose sum is σ = 827910300. Its totient is φ = 275783040.

The previous prime is 551753131. The next prime is 551753183. The reversal of 551753138 is 831357155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 436684609 + 115068529 = 20897^2 + 10727^2 .

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

It is not an unprimeable number, because it can be changed into a prime (551753131) by changing a digit.

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, 39143 + ... + 51338.

Almost surely, 2551753138 is an apocalyptic number.

551753138 is a deficient number, since it is larger than the sum of its proper divisors (276157162).

551753138 is a wasteful number, since it uses less digits than its factorization.

551753138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93532.

The product of its digits is 63000, while the sum is 38.

The square root of 551753138 is about 23489.4260892002. The cubic root of 551753138 is about 820.1908825898.

The spelling of 551753138 in words is "five hundred fifty-one million, seven hundred fifty-three thousand, one hundred thirty-eight".

Divisors: 1 2 3049 6098 90481 180962 275876569 551753138