Search a number
-
+
450061540 = 225151149027
BaseRepresentation
bin11010110100110…
…110010011100100
31011100212111100221
4122310312103210
51410203432130
6112354214124
714103313525
oct3264662344
91140774327
10450061540
11211058995
12106884344
137231ba06
1443ab684c
15297a187a
hex1ad364e4

450061540 has 24 divisors (see below), whose sum is σ = 951394752. Its totient is φ = 178831200.

The previous prime is 450061489. The next prime is 450061541. The reversal of 450061540 is 45160054.

It is not an unprimeable number, because it can be changed into a prime (450061541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71494 + ... + 77533.

It is an arithmetic number, because the mean of its divisors is an integer number (39641448).

Almost surely, 2450061540 is an apocalyptic number.

It is an amenable number.

450061540 is an abundant number, since it is smaller than the sum of its proper divisors (501333212).

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

450061540 is a wasteful number, since it uses less digits than its factorization.

450061540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149187 (or 149185 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 450061540 is about 21214.6538977189. The cubic root of 450061540 is about 766.3443631587.

The spelling of 450061540 in words is "four hundred fifty million, sixty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 151 302 604 755 1510 3020 149027 298054 596108 745135 1490270 2980540 22503077 45006154 90012308 112515385 225030770 450061540