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2265408992 = 257111019103
BaseRepresentation
bin1000011100000111…
…0110010111100000
312211212202200220202
42013001312113200
514114421041432
61012443324332
7110065441640
oct20701662740
95755680822
102265408992
11a62845340
125328206a8
132a14535c2
14176c26520
15d3d3c462
hex870765e0

2265408992 has 96 divisors (see below), whose sum is σ = 5616221184. Its totient is φ = 873792000.

The previous prime is 2265408991. The next prime is 2265409009. The reversal of 2265408992 is 2998045622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265408991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244313 + ... + 253415.

It is an arithmetic number, because the mean of its divisors is an integer number (58502304).

Almost surely, 22265408992 is an apocalyptic number.

2265408992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2265408992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2808110592).

2265408992 is an abundant number, since it is smaller than the sum of its proper divisors (3350812192).

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

2265408992 is a wasteful number, since it uses less digits than its factorization.

2265408992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9232 (or 9224 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 2265408992 is about 47596.3127983671. The cubic root of 2265408992 is about 1313.3552264009.

It can be divided in two parts, 226540 and 8992, that added together give a palindrome (235532).

The spelling of 2265408992 in words is "two billion, two hundred sixty-five million, four hundred eight thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 77 88 101 112 154 176 202 224 308 352 404 616 707 808 1111 1232 1414 1616 2222 2464 2828 3232 4444 5656 7777 8888 9103 11312 15554 17776 18206 22624 31108 35552 36412 62216 63721 72824 100133 124432 127442 145648 200266 248864 254884 291296 400532 509768 700931 801064 919403 1019536 1401862 1602128 1838806 2039072 2803724 3204256 3677612 5607448 6435821 7355224 10113433 11214896 12871642 14710448 20226866 22429792 25743284 29420896 40453732 51486568 70794031 80907464 102973136 141588062 161814928 205946272 283176124 323629856 566352248 1132704496 2265408992