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423448272 = 243213226201
BaseRepresentation
bin11001001111010…
…100111011010000
31002111210101211100
4121033110323100
51331400321042
6110003544400
713331152032
oct3117247320
91074711740
10423448272
111a8030a55
12b998b100
1369961410
1440349c52
152729624c
hex193d4ed0

423448272 has 60 divisors (see below), whose sum is σ = 1276231684. Its totient is φ = 130291200.

The previous prime is 423448271. The next prime is 423448279. The reversal of 423448272 is 272844324.

423448272 is a `hidden beast` number, since 42 + 344 + 8 + 272 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 273042576 + 150405696 = 16524^2 + 12264^2 .

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 (423448271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111229 + ... + 114972.

Almost surely, 2423448272 is an apocalyptic number.

It is an amenable number.

423448272 is an abundant number, since it is smaller than the sum of its proper divisors (852783412).

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

423448272 is a wasteful number, since it uses less digits than its factorization.

423448272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226228 (or 226219 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 423448272 is about 20577.8587807381. The cubic root of 423448272 is about 750.9311527942.

The spelling of 423448272 in words is "four hundred twenty-three million, four hundred forty-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 936 1872 226201 452402 678603 904804 1357206 1809608 2035809 2714412 2940613 3619216 4071618 5428824 5881226 8143236 8821839 10857648 11762452 16286472 17643678 23524904 26465517 32572944 35287356 47049808 52931034 70574712 105862068 141149424 211724136 423448272