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173894144 = 29339637
BaseRepresentation
bin10100101110101…
…10101000000000
3110010012201220212
422113112220000
5324004103034
625131053252
74211035004
oct1227265000
9403181825
10173894144
118a182276
124a2a1228
132a046958
1419148704
15103ee2ce
hexa5d6a00

173894144 has 20 divisors (see below), whose sum is σ = 347449674. Its totient is φ = 86946816.

The previous prime is 173894141. The next prime is 173894177. The reversal of 173894144 is 441498371.

173894144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 123654400 + 50239744 = 11120^2 + 7088^2 .

It is not an unprimeable number, because it can be changed into a prime (173894141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169307 + ... + 170330.

Almost surely, 2173894144 is an apocalyptic number.

It is an amenable number.

173894144 is a deficient number, since it is larger than the sum of its proper divisors (173555530).

173894144 is an frugal number, since it uses more digits than its factorization.

173894144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339655 (or 339639 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 173894144 is about 13186.8928864991. The cubic root of 173894144 is about 558.1637816099.

The spelling of 173894144 in words is "one hundred seventy-three million, eight hundred ninety-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 339637 679274 1358548 2717096 5434192 10868384 21736768 43473536 86947072 173894144