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514216 = 231719199
BaseRepresentation
bin1111101100010101000
3222010101001
41331202220
5112423331
615004344
74241113
oct1754250
9863331
10514216
1132137a
122096b4
13150091
14d557a
15a2561
hex7d8a8

514216 has 32 divisors (see below), whose sum is σ = 1080000. Its totient is φ = 228096.

The previous prime is 514201. The next prime is 514219. The reversal of 514216 is 612415.

514216 = T45 + T46 + ... + T146.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 514193 and 514202.

It is not an unprimeable number, because it can be changed into a prime (514219) 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, 2485 + ... + 2683.

It is an arithmetic number, because the mean of its divisors is an integer number (33750).

2514216 is an apocalyptic number.

514216 is the 586-th centered triangular number.

It is an amenable number.

514216 is an abundant number, since it is smaller than the sum of its proper divisors (565784).

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

514216 is a wasteful number, since it uses less digits than its factorization.

514216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 237 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 514216 is about 717.0885579899. The cubic root of 514216 is about 80.1152505533.

The spelling of 514216 in words is "five hundred fourteen thousand, two hundred sixteen".

Divisors: 1 2 4 8 17 19 34 38 68 76 136 152 199 323 398 646 796 1292 1592 2584 3383 3781 6766 7562 13532 15124 27064 30248 64277 128554 257108 514216