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172854242 = 2117857011
BaseRepresentation
bin10100100110110…
…00101111100010
3110001020220102222
422103120233202
5323222313432
625052511042
74166144141
oct1223305742
9401226388
10172854242
1189631a50
1249a7b482
1329a71522
1418d57758
1510296112
hexa4d8be2

172854242 has 8 divisors (see below), whose sum is σ = 282852432. Its totient is φ = 78570100.

The previous prime is 172854221. The next prime is 172854251. The reversal of 172854242 is 242458271.

172854242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3928484 + ... + 3928527.

It is an arithmetic number, because the mean of its divisors is an integer number (35356554).

Almost surely, 2172854242 is an apocalyptic number.

172854242 is a deficient number, since it is larger than the sum of its proper divisors (109998190).

172854242 is a wasteful number, since it uses less digits than its factorization.

172854242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857024.

The product of its digits is 35840, while the sum is 35.

The square root of 172854242 is about 13147.4043826148. The cubic root of 172854242 is about 557.0489338119.

The spelling of 172854242 in words is "one hundred seventy-two million, eight hundred fifty-four thousand, two hundred forty-two".

Divisors: 1 2 11 22 7857011 15714022 86427121 172854242