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200231000 = 2353200231
BaseRepresentation
bin10111110111101…
…00100001011000
3111221202210021222
423323310201120
5402224343000
631511351212
74650635564
oct1373644130
9457683258
10200231000
11a3030572
1257082508
13326384a8
141c8426a4
15128a2a85
hexbef4858

200231000 has 32 divisors (see below), whose sum is σ = 468542880. Its totient is φ = 80092000.

The previous prime is 200230969. The next prime is 200231021. The reversal of 200231000 is 132002.

It is a super-2 number, since 2×2002310002 = 80184906722000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent 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, 99116 + ... + 101115.

It is an arithmetic number, because the mean of its divisors is an integer number (14641965).

Almost surely, 2200231000 is an apocalyptic number.

200231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200231000 is an abundant number, since it is smaller than the sum of its proper divisors (268311880).

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

200231000 is a wasteful number, since it uses less digits than its factorization.

200231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200252 (or 200238 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 200231000 is about 14150.3003501693. The cubic root of 200231000 is about 585.0286103815.

Adding to 200231000 its reverse (132002), we get a palindrome (200363002).

The spelling of 200231000 in words is "two hundred million, two hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 200231 400462 800924 1001155 1601848 2002310 4004620 5005775 8009240 10011550 20023100 25028875 40046200 50057750 100115500 200231000