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507008842 = 2253504421
BaseRepresentation
bin11110001110000…
…101011101001010
31022100000201101021
4132032011131022
52014243240332
6122150543054
715364334614
oct3616053512
91270021337
10507008842
1124021427a
12121967a8a
138106a342
144b49bdb4
152e79ec97
hex1e38574a

507008842 has 4 divisors (see below), whose sum is σ = 760513266. Its totient is φ = 253504420.

The previous prime is 507008839. The next prime is 507008857. The reversal of 507008842 is 248800705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248800705 = 549760141.

It can be written as a sum of positive squares in only one way, i.e., 468332881 + 38675961 = 21641^2 + 6219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 507008798 and 507008807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126752209 + ... + 126752212.

Almost surely, 2507008842 is an apocalyptic number.

507008842 is a deficient number, since it is larger than the sum of its proper divisors (253504424).

507008842 is a wasteful number, since it uses less digits than its factorization.

507008842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253504423.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 507008842 is about 22516.8568410424. The cubic root of 507008842 is about 797.3919453448.

The spelling of 507008842 in words is "five hundred seven million, eight thousand, eight hundred forty-two".

Divisors: 1 2 253504421 507008842