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172144414 = 21321729959
BaseRepresentation
bin10100100001010…
…11011100011110
3102222220211202001
422100223130132
5323032110124
625025352514
74160126521
oct1220533436
9388824661
10172144414
1189197712
124979873a
1329883400
1418c10bb8
15101a5b44
hexa42b71e

172144414 has 24 divisors (see below), whose sum is σ = 296064720. Its totient is φ = 74775168.

The previous prime is 172144403. The next prime is 172144421. The reversal of 172144414 is 414441271.

172144414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9234 + ... + 20725.

It is an arithmetic number, because the mean of its divisors is an integer number (12336030).

Almost surely, 2172144414 is an apocalyptic number.

172144414 is a deficient number, since it is larger than the sum of its proper divisors (123920306).

172144414 is a wasteful number, since it uses less digits than its factorization.

172144414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30004 (or 29991 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 172144414 is about 13120.3816255473. The cubic root of 172144414 is about 556.2853783163.

Adding to 172144414 its reverse (414441271), we get a palindrome (586585685).

The spelling of 172144414 in words is "one hundred seventy-two million, one hundred forty-four thousand, four hundred fourteen".

Divisors: 1 2 13 17 26 34 169 221 338 442 2873 5746 29959 59918 389467 509303 778934 1018606 5063071 6620939 10126142 13241878 86072207 172144414