Search a number
-
+
200071541 = 925721613
BaseRepresentation
bin10111110110011…
…01100101110101
3111221110200120002
423323031211311
5402204242131
631504121045
74646402645
oct1373154565
9457420502
10200071541
11a2a3178a
1257006185
13325b0a37
141c800525
15128706cb
hexbecd975

200071541 has 4 divisors (see below), whose sum is σ = 200102412. Its totient is φ = 200040672.

The previous prime is 200071517. The next prime is 200071567. The reversal of 200071541 is 145170002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122190916 + 77880625 = 11054^2 + 8825^2 .

It is a cyclic number.

It is not a de Polignac number, because 200071541 - 26 = 200071477 is a prime.

It is a super-2 number, since 2×2000715412 = 80057243036229362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200071591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550 + ... + 20063.

It is an arithmetic number, because the mean of its divisors is an integer number (50025603).

Almost surely, 2200071541 is an apocalyptic number.

It is an amenable number.

200071541 is a deficient number, since it is larger than the sum of its proper divisors (30871).

200071541 is an equidigital number, since it uses as much as digits as its factorization.

200071541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30870.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 200071541 is about 14144.6647538922. The cubic root of 200071541 is about 584.8732683811.

The spelling of 200071541 in words is "two hundred million, seventy-one thousand, five hundred forty-one".

Divisors: 1 9257 21613 200071541