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2255215092 = 2231322574327
BaseRepresentation
bin1000011001101011…
…1101100111110100
312211011120210111220
42012122331213310
514104313340332
61011441030340
7106613004054
oct20632754764
95734523456
102255215092
11a58012529
1252b3253b0
1329c2c4700
14175731564
15d2ec6d2c
hex866bd9f4

2255215092 has 72 divisors (see below), whose sum is σ = 5721581376. Its totient is φ = 691052544.

The previous prime is 2255215057. The next prime is 2255215141. The reversal of 2255215092 is 2905125522.

It is a super-2 number, since 2×22552150922 = 10171990222369136928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 519033 + ... + 523359.

It is an arithmetic number, because the mean of its divisors is an integer number (79466408).

Almost surely, 22255215092 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 2255215092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2860790688).

2255215092 is an abundant number, since it is smaller than the sum of its proper divisors (3466366284).

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

2255215092 is a wasteful number, since it uses less digits than its factorization.

2255215092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617 (or 4602 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 2255215092 is about 47489.1049820904. The cubic root of 2255215092 is about 1311.3823164771.

The spelling of 2255215092 in words is "two billion, two hundred fifty-five million, two hundred fifteen thousand, ninety-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 257 338 507 514 676 771 1014 1028 1542 2028 3084 3341 4327 6682 8654 10023 12981 13364 17308 20046 25962 40092 43433 51924 56251 86866 112502 130299 168753 173732 225004 260598 337506 521196 675012 731263 1112039 1462526 2193789 2224078 2925052 3336117 4387578 4448156 6672234 8775156 13344468 14456507 28913014 43369521 57826028 86739042 173478084 187934591 375869182 563803773 751738364 1127607546 2255215092