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200124031 = 1871106961
BaseRepresentation
bin10111110110110…
…10011001111111
3111221120100120011
423323122121333
5402212432111
631505204051
74650011662
oct1373323177
9457510504
10200124031
11a2a68168
1257030627
13325cb8b3
141c8156d9
1512881021
hexbeda67f

200124031 has 4 divisors (see below), whose sum is σ = 200232864. Its totient is φ = 200015200.

The previous prime is 200124019. The next prime is 200124061. The reversal of 200124031 is 130421002.

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

It is a cyclic number.

It is not a de Polignac number, because 200124031 - 215 = 200091263 is a prime.

It is a super-2 number, since 2×2001240312 = 80099255567377922, 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 (200124061) 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, 51610 + ... + 55351.

It is an arithmetic number, because the mean of its divisors is an integer number (50058216).

Almost surely, 2200124031 is an apocalyptic number.

200124031 is a deficient number, since it is larger than the sum of its proper divisors (108833).

200124031 is a wasteful number, since it uses less digits than its factorization.

200124031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108832.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 200124031 is about 14146.5201021311. The cubic root of 200124031 is about 584.9244122758.

Adding to 200124031 its reverse (130421002), we get a palindrome (330545033).

The spelling of 200124031 in words is "two hundred million, one hundred twenty-four thousand, thirty-one".

Divisors: 1 1871 106961 200124031