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450034290 = 23255000381
BaseRepresentation
bin11010110100101…
…111101001110010
31011100211002222200
4122310233221302
51410202044130
6112353444030
714103141216
oct3264575162
91140732880
10450034290
1121103a472
12106870616
137230c4a4
1443aaa946
1529798760
hex1ad2fa72

450034290 has 24 divisors (see below), whose sum is σ = 1170089388. Its totient is φ = 120009120.

The previous prime is 450034231. The next prime is 450034297. The reversal of 450034290 is 92430054.

It can be written as a sum of positive squares in 2 ways, for example, as 437353569 + 12680721 = 20913^2 + 3561^2 .

It is a hoax number, since the sum of its digits (27) 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 (450034297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2500101 + ... + 2500280.

Almost surely, 2450034290 is an apocalyptic number.

450034290 is an abundant number, since it is smaller than the sum of its proper divisors (720055098).

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

450034290 is a wasteful number, since it uses less digits than its factorization.

450034290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000394 (or 5000391 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 450034290 is about 21214.0116432513. The cubic root of 450034290 is about 766.3288961588.

The spelling of 450034290 in words is "four hundred fifty million, thirty-four thousand, two hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 5000381 10000762 15001143 25001905 30002286 45003429 50003810 75005715 90006858 150011430 225017145 450034290