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450945504 = 253212712329
BaseRepresentation
bin11010111000001…
…110000111100000
31011102112101221100
4122320032013200
51410420224004
6112425154400
714113654632
oct3270160740
91142471840
10450945504
11211602039
1210702ba00
137256b179
1443c66a52
15298c8739
hex1ae0e1e0

450945504 has 72 divisors (see below), whose sum is σ = 1292578560. Its totient is φ = 149119488.

The previous prime is 450945503. The next prime is 450945533. The reversal of 450945504 is 405549054.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450945503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30412 + ... + 42740.

It is an arithmetic number, because the mean of its divisors is an integer number (17952480).

Almost surely, 2450945504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450945504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646289280).

450945504 is an abundant number, since it is smaller than the sum of its proper divisors (841633056).

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

450945504 is a wasteful number, since it uses less digits than its factorization.

450945504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12472 (or 12461 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 450945504 is about 21235.4774846246. The cubic root of 450945504 is about 766.8457596310.

The spelling of 450945504 in words is "four hundred fifty million, nine hundred forty-five thousand, five hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 127 144 254 288 381 508 762 1016 1143 1524 2032 2286 3048 4064 4572 6096 9144 12192 12329 18288 24658 36576 36987 49316 73974 98632 110961 147948 197264 221922 295896 394528 443844 591792 887688 1183584 1565783 1775376 3131566 3550752 4697349 6263132 9394698 12526264 14092047 18789396 25052528 28184094 37578792 50105056 56368188 75157584 112736376 150315168 225472752 450945504