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213013200 = 24352177511
BaseRepresentation
bin11001011001001…
…01001011010000
3112211211012011210
430230211023100
5414012410300
633045340120
75164403511
oct1454451320
9484735153
10213013200
11aa270a74
125b407640
133519251a
142040ca08
1513a7a050
hexcb252d0

213013200 has 60 divisors (see below), whose sum is σ = 682356128. Its totient is φ = 56803200.

The previous prime is 213013153. The next prime is 213013211. The reversal of 213013200 is 2310312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 87556 + ... + 89955.

Almost surely, 2213013200 is an apocalyptic number.

213013200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213013200 is an abundant number, since it is smaller than the sum of its proper divisors (469342928).

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

213013200 is a wasteful number, since it uses less digits than its factorization.

213013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177532 (or 177521 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 213013200 is about 14594.9717368688. The cubic root of 213013200 is about 597.2215984450.

Adding to 213013200 its reverse (2310312), we get a palindrome (215323512).

The spelling of 213013200 in words is "two hundred thirteen million, thirteen thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 177511 355022 532533 710044 887555 1065066 1420088 1775110 2130132 2662665 2840176 3550220 4260264 4437775 5325330 7100440 8520528 8875550 10650660 13313325 14200880 17751100 21301320 26626650 35502200 42602640 53253300 71004400 106506600 213013200