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475254551 = 5315315857
BaseRepresentation
bin11100010100111…
…100111100010111
31020010021102200102
4130110330330113
51433131121201
6115054204315
714530411532
oct3424747427
91203242612
10475254551
112242a5862
121131b369b
13775cca15
1447193a19
152bacb26b
hex1c53cf17

475254551 has 8 divisors (see below), whose sum is σ = 484620624. Its totient is φ = 465903360.

The previous prime is 475254547. The next prime is 475254557. The reversal of 475254551 is 155452574.

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 475254551 - 22 = 475254547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475254557) 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, 78215 + ... + 84071.

It is an arithmetic number, because the mean of its divisors is an integer number (60577578).

Almost surely, 2475254551 is an apocalyptic number.

475254551 is a deficient number, since it is larger than the sum of its proper divisors (9366073).

475254551 is a wasteful number, since it uses less digits than its factorization.

475254551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441.

The product of its digits is 140000, while the sum is 38.

The square root of 475254551 is about 21800.3337359775. Note that the first 3 decimals coincide. The cubic root of 475254551 is about 780.3847274750.

The spelling of 475254551 in words is "four hundred seventy-five million, two hundred fifty-four thousand, five hundred fifty-one".

Divisors: 1 53 1531 5857 81143 310421 8967067 475254551