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173240492 = 22313138371
BaseRepresentation
bin10100101001101…
…11000010101100
3110001222112021112
422110313002230
5323322143432
625105051152
74202343215
oct1224670254
9401875245
10173240492
1189876167
124a026ab8
1329b78289
141901840c
15103207b2
hexa5370ac

173240492 has 12 divisors (see below), whose sum is σ = 304141656. Its totient is φ = 86342880.

The previous prime is 173240491. The next prime is 173240513. The reversal of 173240492 is 294042371.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (173240491) by changing a digit.

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, 67934 + ... + 70437.

It is an arithmetic number, because the mean of its divisors is an integer number (25345138).

Almost surely, 2173240492 is an apocalyptic number.

It is an amenable number.

173240492 is a deficient number, since it is larger than the sum of its proper divisors (130901164).

173240492 is a wasteful number, since it uses less digits than its factorization.

173240492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138688 (or 138686 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 173240492 is about 13162.0853970790. The cubic root of 173240492 is about 557.4635414903.

It can be divided in two parts, 1732 and 40492, that added together give a palindrome (42224).

The spelling of 173240492 in words is "one hundred seventy-three million, two hundred forty thousand, four hundred ninety-two".

Divisors: 1 2 4 313 626 1252 138371 276742 553484 43310123 86620246 173240492