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450940 = 22573221
BaseRepresentation
bin1101110000101111100
3211220120111
41232011330
5103412230
613355404
73555460
oct1560574
9756514
10450940
11288886
12198b64
1312a339
14ba4a0
158d92a
hex6e17c

450940 has 24 divisors (see below), whose sum is σ = 1082592. Its totient is φ = 154560.

The previous prime is 450929. The next prime is 450943. The reversal of 450940 is 49054.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450943) 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 in 7 ways as a sum of consecutive naturals, for example, 1471 + ... + 1750.

It is an arithmetic number, because the mean of its divisors is an integer number (45108).

2450940 is an apocalyptic number.

It is an amenable number.

450940 is an abundant number, since it is smaller than the sum of its proper divisors (631652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450940 is a wasteful number, since it uses less digits than its factorization.

450940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237 (or 3235 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 450940 is about 671.5206623776. The cubic root of 450940 is about 76.6842639715.

Adding to 450940 its reverse (49054), we get a palindrome (499994).

The spelling of 450940 in words is "four hundred fifty thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 3221 6442 12884 16105 22547 32210 45094 64420 90188 112735 225470 450940