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505049069 = 7241729851
BaseRepresentation
bin11110000110100…
…110111111101101
31022012100011002002
4132012212333231
52013243032234
6122040542045
715341563160
oct3606467755
91265304062
10505049069
1123a0a5928
12121181925
1380832305
144b10bad7
152e51427e
hex1e1a6fed

505049069 has 8 divisors (see below), whose sum is σ = 577457088. Its totient is φ = 432705600.

The previous prime is 505049053. The next prime is 505049099. The reversal of 505049069 is 960940505.

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 505049069 - 24 = 505049053 is a prime.

It is a super-2 number, since 2×5050490692 = 510149124195533522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505049009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994 + ... + 31844.

It is an arithmetic number, because the mean of its divisors is an integer number (72182136).

Almost surely, 2505049069 is an apocalyptic number.

It is an amenable number.

505049069 is a deficient number, since it is larger than the sum of its proper divisors (72408019).

505049069 is a wasteful number, since it uses less digits than its factorization.

505049069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32275.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 505049069 is about 22473.2967986453. The cubic root of 505049069 is about 796.3632157403.

The spelling of 505049069 in words is "five hundred five million, forty-nine thousand, sixty-nine".

Divisors: 1 7 2417 16919 29851 208957 72149867 505049069