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214512172 = 22783241383
BaseRepresentation
bin11001100100100…
…11001000101100
3112221122100101021
430302103020230
5414403342142
633141423524
75213215630
oct1462231054
9487570337
10214512172
111000a5196
125ba0aba4
13355988a4
14206bcdc0
1513c74267
hexcc9322c

214512172 has 48 divisors (see below), whose sum is σ = 437133312. Its totient is φ = 90213120.

The previous prime is 214512139. The next prime is 214512211. The reversal of 214512172 is 271215412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559893 + ... + 560275.

It is an arithmetic number, because the mean of its divisors is an integer number (9106944).

Almost surely, 2214512172 is an apocalyptic number.

It is an amenable number.

214512172 is an abundant number, since it is smaller than the sum of its proper divisors (222621140).

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

214512172 is a wasteful number, since it uses less digits than its factorization.

214512172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 716 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 214512172 is about 14646.2340552102. The cubic root of 214512172 is about 598.6192062669.

Adding to 214512172 its reverse (271215412), we get a palindrome (485727584).

The spelling of 214512172 in words is "two hundred fourteen million, five hundred twelve thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 83 166 241 332 383 482 581 766 964 1162 1532 1687 2324 2681 3374 5362 6748 10724 20003 31789 40006 63578 80012 92303 127156 140021 184606 222523 280042 369212 445046 560084 646121 890092 1292242 2584484 7661149 15322298 30644596 53628043 107256086 214512172