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172244342 = 286122171
BaseRepresentation
bin10100100010000…
…11110101110110
3110000002220211002
422101003311312
5323043304332
625031443302
74161024044
oct1221036566
9400086732
10172244342
11892557a6
1249826532
13298b9a3a
1418c39394
15101c5562
hexa443d76

172244342 has 4 divisors (see below), whose sum is σ = 258366516. Its totient is φ = 86122170.

The previous prime is 172244333. The next prime is 172244363. The reversal of 172244342 is 243442271.

172244342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243442271 = 673361727.

It is a super-2 number, since 2×1722443422 = 59336226702025928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43061084 + ... + 43061087.

It is an arithmetic number, because the mean of its divisors is an integer number (64591629).

Almost surely, 2172244342 is an apocalyptic number.

172244342 is a deficient number, since it is larger than the sum of its proper divisors (86122174).

172244342 is an equidigital number, since it uses as much as digits as its factorization.

172244342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86122173.

The product of its digits is 10752, while the sum is 29.

The square root of 172244342 is about 13124.1891940036. The cubic root of 172244342 is about 556.3929967421.

It can be divided in two parts, 1722 and 44342, that added together give a palindrome (46064).

The spelling of 172244342 in words is "one hundred seventy-two million, two hundred forty-four thousand, three hundred forty-two".

Divisors: 1 2 86122171 172244342