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200531004 = 223162710271
BaseRepresentation
bin10111111001111…
…01110000111100
3111222100000211020
423330331300330
5402313443004
631522024140
74653325332
oct1374756074
9458300736
10200531004
11a3215a03
12571a8050
1332711bcb
141c8bdb52
15129118d9
hexbf3dc3c

200531004 has 24 divisors (see below), whose sum is σ = 468238848. Its totient is φ = 66796080.

The previous prime is 200531003. The next prime is 200531011. The reversal of 200531004 is 400135002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200531003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14389 + ... + 24659.

It is an arithmetic number, because the mean of its divisors is an integer number (19509952).

Almost surely, 2200531004 is an apocalyptic number.

It is an amenable number.

200531004 is an abundant number, since it is smaller than the sum of its proper divisors (267707844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200531004 is a wasteful number, since it uses less digits than its factorization.

200531004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11905 (or 11903 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 200531004 is about 14160.8970054866. The cubic root of 200531004 is about 585.3206453157.

Adding to 200531004 its reverse (400135002), we get a palindrome (600666006).

The spelling of 200531004 in words is "two hundred million, five hundred thirty-one thousand, four".

Divisors: 1 2 3 4 6 12 1627 3254 4881 6508 9762 10271 19524 20542 30813 41084 61626 123252 16710917 33421834 50132751 66843668 100265502 200531004