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172152214 = 2136621239
BaseRepresentation
bin10100100001011…
…01010110010110
3102222221020102221
422100231112112
5323032332324
625025452554
74160161333
oct1220552626
9388836387
10172152214
11891a2563
12497a115a
1329886b20
1418c1398a
15101a80e4
hexa42d596

172152214 has 8 divisors (see below), whose sum is σ = 278092080. Its totient is φ = 79454856.

The previous prime is 172152203. The next prime is 172152229. The reversal of 172152214 is 412251271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3310594 + ... + 3310645.

It is an arithmetic number, because the mean of its divisors is an integer number (34761510).

Almost surely, 2172152214 is an apocalyptic number.

172152214 is a deficient number, since it is larger than the sum of its proper divisors (105939866).

172152214 is a wasteful number, since it uses less digits than its factorization.

172152214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621254.

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

The square root of 172152214 is about 13120.6788696317. The cubic root of 172152214 is about 556.2937801000.

It can be divided in two parts, 1721 and 52214, that added together give a palindrome (53935).

The spelling of 172152214 in words is "one hundred seventy-two million, one hundred fifty-two thousand, two hundred fourteen".

Divisors: 1 2 13 26 6621239 13242478 86076107 172152214