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207144200 = 23527611361
BaseRepresentation
bin11000101100011…
…00010100001000
3112102210000102102
430112030110020
5411012103300
632315452532
75063460644
oct1426142410
9472700372
10207144200
11a6a2255a
1259457148
1333bb9043
141d721c24
15132bb0d5
hexc58c508

207144200 has 48 divisors (see below), whose sum is σ = 482597460. Its totient is φ = 82688000.

The previous prime is 207144173. The next prime is 207144211. The reversal of 207144200 is 2441702.

It can be written as a sum of positive squares in 6 ways, for example, as 1909924 + 205234276 = 1382^2 + 14326^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151520 + ... + 152880.

Almost surely, 2207144200 is an apocalyptic number.

207144200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207144200 is an abundant number, since it is smaller than the sum of its proper divisors (275453260).

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

207144200 is a wasteful number, since it uses less digits than its factorization.

207144200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 207144200 is about 14392.5049939196. The cubic root of 207144200 is about 591.6854991912.

Adding to 207144200 its reverse (2441702), we get a palindrome (209585902).

The spelling of 207144200 in words is "two hundred seven million, one hundred forty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 761 1361 1522 2722 3044 3805 5444 6088 6805 7610 10888 13610 15220 19025 27220 30440 34025 38050 54440 68050 76100 136100 152200 272200 1035721 2071442 4142884 5178605 8285768 10357210 20714420 25893025 41428840 51786050 103572100 207144200