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507200161 = 13113379911
BaseRepresentation
bin11110001110110…
…100001010100001
31022100101102211011
4132032310022201
52014320401121
6122155020521
715366062446
oct3616641241
91270342734
10507200161
11240334a96
12121a3a741
1381106450
144b50b9cd
152e7db7e1
hex1e3b42a1

507200161 has 16 divisors (see below), whose sum is σ = 553109760. Its totient is φ = 462309120.

The previous prime is 507200159. The next prime is 507200173. The reversal of 507200161 is 161002705.

It is not a de Polignac number, because 507200161 - 21 = 507200159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507200101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556296 + ... + 557206.

It is an arithmetic number, because the mean of its divisors is an integer number (34569360).

Almost surely, 2507200161 is an apocalyptic number.

It is an amenable number.

507200161 is a deficient number, since it is larger than the sum of its proper divisors (45909599).

507200161 is a wasteful number, since it uses less digits than its factorization.

507200161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 507200161 is about 22521.1047908401. The cubic root of 507200161 is about 797.4922309362.

Adding to 507200161 its reverse (161002705), we get a palindrome (668202866).

The spelling of 507200161 in words is "five hundred seven million, two hundred thousand, one hundred sixty-one".

Divisors: 1 13 113 379 911 1469 4927 11843 42827 102943 345269 556751 1338259 4488497 39015397 507200161