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512409355 = 5102481871
BaseRepresentation
bin11110100010101…
…011111100001011
31022201012002111021
4132202223330023
52022134044410
6122502413311
715461256553
oct3642537413
91281162437
10512409355
11243272807
12123731237
138220b503
144c0a6163
152eeb9eda
hex1e8abf0b

512409355 has 4 divisors (see below), whose sum is σ = 614891232. Its totient is φ = 409927480.

The previous prime is 512409329. The next prime is 512409377. The reversal of 512409355 is 553904215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553904215 = 5110780843.

It is not a de Polignac number, because 512409355 - 29 = 512408843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 512409355.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51240931 + ... + 51240940.

It is an arithmetic number, because the mean of its divisors is an integer number (153722808).

Almost surely, 2512409355 is an apocalyptic number.

512409355 is a deficient number, since it is larger than the sum of its proper divisors (102481877).

512409355 is a wasteful number, since it uses less digits than its factorization.

512409355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102481876.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 512409355 is about 22636.4607436763. The cubic root of 512409355 is about 800.2131489335.

The spelling of 512409355 in words is "five hundred twelve million, four hundred nine thousand, three hundred fifty-five".

Divisors: 1 5 102481871 512409355