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450146 = 21731301
BaseRepresentation
bin1101101111001100010
3211212111002
41231321202
5103401041
613352002
73553244
oct1557142
9755432
10450146
11288224
12198602
13129b78
14ba094
158d59b
hex6de62

450146 has 8 divisors (see below), whose sum is σ = 679644. Its totient is φ = 223600.

The previous prime is 450137. The next prime is 450161. The reversal of 450146 is 641054.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 442225 + 7921 = 665^2 + 89^2 .

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

It is a Curzon number.

It is a nialpdrome in base 9.

It is an unprimeable number.

450146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 3 ways as a sum of consecutive naturals, for example, 305 + ... + 996.

2450146 is an apocalyptic number.

450146 is a deficient number, since it is larger than the sum of its proper divisors (229498).

450146 is a wasteful number, since it uses less digits than its factorization.

450146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 450146 is about 670.9292063996. The cubic root of 450146 is about 76.6392298378.

It can be divided in two parts, 4501 and 46, that multiplied together give a triangular number (207046 = T643).

The spelling of 450146 in words is "four hundred fifty thousand, one hundred forty-six".

Divisors: 1 2 173 346 1301 2602 225073 450146