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552278142 = 23313273829
BaseRepresentation
bin100000111010110…
…001100001111110
31102111012122012000
4200322301201332
52112340400032
6130445123130
716454200233
oct4072614176
91374178160
10552278142
11263823819
12134b594a6
138a55a400
14534c378a
1533742e7c
hex20eb187e

552278142 has 96 divisors (see below), whose sum is σ = 1348783200. Its totient is φ = 167401728.

The previous prime is 552278141. The next prime is 552278143. The reversal of 552278142 is 241872255.

It is a happy number.

552278142 is a `hidden beast` number, since 552 + 27 + 81 + 4 + 2 = 666.

552278142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (552278141) and next prime (552278143).

It is a super-2 number, since 2×5522781422 = 610022292261944328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 552278097 and 552278106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552278141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 665784 + ... + 666612.

It is an arithmetic number, because the mean of its divisors is an integer number (14049825).

Almost surely, 2552278142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552278142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674391600).

552278142 is an abundant number, since it is smaller than the sum of its proper divisors (796505058).

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

552278142 is a wasteful number, since it uses less digits than its factorization.

552278142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 920 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 552278142 is about 23500.5987583295. The cubic root of 552278142 is about 820.4509427270.

The spelling of 552278142 in words is "five hundred fifty-two million, two hundred seventy-eight thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 73 78 117 146 169 219 234 338 351 438 507 657 702 829 949 1014 1314 1521 1658 1898 1971 2487 2847 3042 3942 4563 4974 5694 7461 8541 9126 10777 12337 14922 17082 21554 22383 24674 25623 32331 37011 44766 51246 60517 64662 74022 96993 111033 121034 140101 181551 193986 222066 280202 290979 333099 363102 420303 544653 581958 666198 786721 840606 1089306 1260909 1573442 1633959 2360163 2521818 3267918 3782727 4720326 7080489 7565454 10227373 14160978 20454746 21241467 30682119 42482934 61364238 92046357 184092714 276139071 552278142