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506202145 = 5113895933
BaseRepresentation
bin11110001011000…
…000100000100001
31022021111201210121
4132023000200201
52014041432040
6122121400241
715354435001
oct3613004041
91267451717
10506202145
1123a813189
12121639081
1380b470c7
144b32c001
152e690c4a
hex1e2c0821

506202145 has 8 divisors (see below), whose sum is σ = 612818856. Its totient is φ = 401377536.

The previous prime is 506202139. The next prime is 506202167. The reversal of 506202145 is 541202605.

It can be written as a sum of positive squares in 4 ways, for example, as 4800481 + 501401664 = 2191^2 + 22392^2 .

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 506202145 - 217 = 506071073 is a prime.

It is a super-2 number, since 2×5062021452 = 512481223205202050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447402 + ... + 448531.

It is an arithmetic number, because the mean of its divisors is an integer number (76602357).

Almost surely, 2506202145 is an apocalyptic number.

It is an amenable number.

506202145 is a deficient number, since it is larger than the sum of its proper divisors (106616711).

506202145 is a wasteful number, since it uses less digits than its factorization.

506202145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896051.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 506202145 is about 22498.9365304229. The cubic root of 506202145 is about 796.9688132434.

The spelling of 506202145 in words is "five hundred six million, two hundred two thousand, one hundred forty-five".

Divisors: 1 5 113 565 895933 4479665 101240429 506202145