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444052530 = 2345548213
BaseRepresentation
bin11010011101111…
…011010000110010
31010221120012120000
4122131323100302
51402134140110
6112021330430
714001245535
oct3235732062
91127505500
10444052530
11208724269
12104866a16
1370cc689c
1442d90a1c
1528eb61c0
hex1a77b432

444052530 has 40 divisors (see below), whose sum is σ = 1194010092. Its totient is φ = 118413792.

The previous prime is 444052523. The next prime is 444052589. The reversal of 444052530 is 35250444.

444052530 is a `hidden beast` number, since 4 + 4 + 405 + 253 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 443902761 + 149769 = 21069^2 + 387^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 444052494 and 444052503.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 273297 + ... + 274916.

Almost surely, 2444052530 is an apocalyptic number.

444052530 is an abundant number, since it is smaller than the sum of its proper divisors (749957562).

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

444052530 is a wasteful number, since it uses less digits than its factorization.

444052530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548232 (or 548223 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 444052530 is about 21072.5539505775. The cubic root of 444052530 is about 762.9184473791.

The spelling of 444052530 in words is "four hundred forty-four million, fifty-two thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 548213 1096426 1644639 2741065 3289278 4933917 5482130 8223195 9867834 14801751 16446390 24669585 29603502 44405253 49339170 74008755 88810506 148017510 222026265 444052530