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2545462660 = 2251347673109
BaseRepresentation
bin1001011110111000…
…1010110110000100
320120101201220022211
42113232022312010
520203114301120
61100330033204
7120036034636
oct22756126604
96511656284
102545462660
111096935854
125b0578804
13317489530
141a20c6a56
15ed70b25a
hex97b8ad84

2545462660 has 96 divisors (see below), whose sum is σ = 5968811520. Its totient is φ = 905845248.

The previous prime is 2545462657. The next prime is 2545462663. The reversal of 2545462660 is 662645452.

2545462660 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 (2545462657) and next prime (2545462663).

It is not an unprimeable number, because it can be changed into a prime (2545462663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 817186 + ... + 820294.

It is an arithmetic number, because the mean of its divisors is an integer number (62175120).

Almost surely, 22545462660 is an apocalyptic number.

2545462660 is a gapful number since it is divisible by the number (20) 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 2545462660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2984405760).

2545462660 is an abundant number, since it is smaller than the sum of its proper divisors (3423348860).

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

2545462660 is a wasteful number, since it uses less digits than its factorization.

2545462660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245 (or 3243 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The square root of 2545462660 is about 50452.5783285651. The cubic root of 2545462660 is about 1365.3864130736.

The spelling of 2545462660 in words is "two billion, five hundred forty-five million, four hundred sixty-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 47 52 65 67 94 130 134 188 235 260 268 335 470 611 670 871 940 1222 1340 1742 2444 3055 3109 3149 3484 4355 6110 6218 6298 8710 12220 12436 12596 15545 15745 17420 31090 31490 40417 40937 62180 62980 80834 81874 146123 161668 163748 202085 204685 208303 292246 404170 409370 416606 584492 730615 808340 818740 833212 1041515 1461230 1899599 2083030 2707939 2922460 3799198 4166060 5415878 7598396 9497995 9790241 10831756 13539695 18995990 19580482 27079390 37991980 39160964 48951205 54158780 97902410 127273133 195804820 254546266 509092532 636365665 1272731330 2545462660