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553022172 = 2232173132887
BaseRepresentation
bin100000111101100…
…111001011011100
31102112121102210200
4200331213023130
52113033202142
6130513103500
716463416353
oct4075471334
91375542720
10553022172
1126419181a
12135257b90
138a75ac71
145363899a
153383d64c
hex20f672dc

553022172 has 72 divisors (see below), whose sum is σ = 1485390816. Its totient is φ = 172882944.

The previous prime is 553022161. The next prime is 553022177. The reversal of 553022172 is 271220355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553022177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190113 + ... + 192999.

It is an arithmetic number, because the mean of its divisors is an integer number (20630428).

Almost surely, 2553022172 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 553022172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742695408).

553022172 is an abundant number, since it is smaller than the sum of its proper divisors (932368644).

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

553022172 is a wasteful number, since it uses less digits than its factorization.

553022172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227 (or 3222 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 553022172 is about 23516.4234525576. The cubic root of 553022172 is about 820.8192150068.

The spelling of 553022172 in words is "five hundred fifty-three million, twenty-two thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 313 612 626 939 1252 1878 2817 2887 3756 5321 5634 5774 8661 10642 11268 11548 15963 17322 21284 25983 31926 34644 47889 49079 51966 63852 95778 98158 103932 147237 191556 196316 294474 441711 588948 883422 903631 1766844 1807262 2710893 3614524 5421786 8132679 10843572 15361727 16265358 30723454 32530716 46085181 61446908 92170362 138255543 184340724 276511086 553022172