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200152849 = 13173172857
BaseRepresentation
bin10111110111000…
…01011100010001
3111221121211002111
423323201130101
5402214342344
631505545321
74650162001
oct1373413421
9457554074
10200152849
11a2a87886
1257045241
133260ba50
141c822001
1512889834
hexbee1711

200152849 has 16 divisors (see below), whose sum is σ = 229028688. Its totient is φ = 173279232.

The previous prime is 200152847. The next prime is 200152853. The reversal of 200152849 is 948251002.

It can be written as a sum of positive squares in 8 ways, for example, as 10595025 + 189557824 = 3255^2 + 13768^2 .

It is not a de Polignac number, because 200152849 - 21 = 200152847 is a prime.

It is a super-2 number, since 2×2001528492 = 80122325925633602, which contains 22 as substring.

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 200152849.

It is not an unprimeable number, because it can be changed into a prime (200152847) 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, 68629 + ... + 71485.

It is an arithmetic number, because the mean of its divisors is an integer number (14314293).

Almost surely, 2200152849 is an apocalyptic number.

It is an amenable number.

200152849 is a deficient number, since it is larger than the sum of its proper divisors (28875839).

200152849 is a wasteful number, since it uses less digits than its factorization.

200152849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 200152849 is about 14147.5386198448. The cubic root of 200152849 is about 584.9524874359.

The spelling of 200152849 in words is "two hundred million, one hundred fifty-two thousand, eight hundred forty-nine".

Divisors: 1 13 17 221 317 2857 4121 5389 37141 48569 70057 631397 905669 11773697 15396373 200152849