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204140472 = 23359144167
BaseRepresentation
bin11000010101011…
…10111110111000
3112020010102002020
430022232332320
5404224443342
632131234440
75026110504
oct1412567670
9466112066
10204140472
11a5260838
1258448a20
13333a6aa3
141d17d304
1512dc60ec
hexc2aefb8

204140472 has 32 divisors (see below), whose sum is σ = 519004800. Its totient is φ = 66893024.

The previous prime is 204140467. The next prime is 204140509. The reversal of 204140472 is 274041402.

It is a super-3 number, since 3×2041404723 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70668 + ... + 73499.

It is an arithmetic number, because the mean of its divisors is an integer number (16218900).

Almost surely, 2204140472 is an apocalyptic number.

It is an amenable number.

204140472 is an abundant number, since it is smaller than the sum of its proper divisors (314864328).

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

204140472 is a wasteful number, since it uses less digits than its factorization.

204140472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144235 (or 144231 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 204140472 is about 14287.7735144423. The cubic root of 204140472 is about 588.8116192645.

Adding to 204140472 its reverse (274041402), we get a palindrome (478181874).

The spelling of 204140472 in words is "two hundred four million, one hundred forty thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 59 118 177 236 354 472 708 1416 144167 288334 432501 576668 865002 1153336 1730004 3460008 8505853 17011706 25517559 34023412 51035118 68046824 102070236 204140472