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272289152 = 27191031087
BaseRepresentation
bin10000001110101…
…100110110000000
3200222100201111102
4100032230312000
51024201223102
643004033532
76514263632
oct2016546600
9628321442
10272289152
1112a777963
12772328a8
1344547a55
142823ca52
1518d88402
hex103acd80

272289152 has 64 divisors (see below), whose sum is σ = 577075200. Its totient is φ = 127609344.

The previous prime is 272289137. The next prime is 272289169. The reversal of 272289152 is 251982272.

It is a happy number.

272289152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249953 + ... + 251039.

It is an arithmetic number, because the mean of its divisors is an integer number (9016800).

Almost surely, 2272289152 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 272289152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288537600).

272289152 is an abundant number, since it is smaller than the sum of its proper divisors (304786048).

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

272289152 is a wasteful number, since it uses less digits than its factorization.

272289152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1211 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 272289152 is about 16501.1863815909. The cubic root of 272289152 is about 648.1518721405.

The spelling of 272289152 in words is "two hundred seventy-two million, two hundred eighty-nine thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 19 32 38 64 76 103 128 152 206 304 412 608 824 1087 1216 1648 1957 2174 2432 3296 3914 4348 6592 7828 8696 13184 15656 17392 20653 31312 34784 41306 62624 69568 82612 111961 125248 139136 165224 223922 250496 330448 447844 660896 895688 1321792 1791376 2127259 2643584 3582752 4254518 7165504 8509036 14331008 17018072 34036144 68072288 136144576 272289152