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2645050540 = 2251116217417
BaseRepresentation
bin1001110110101000…
…0100010010101100
320211100010111012211
42131222010102230
520404113104130
61114244340204
7122355362416
oct23552042254
96740114184
102645050540
111138075690
126199a4664
13331cb7582
141b140b9b6
1510732da2a
hex9da844ac

2645050540 has 48 divisors (see below), whose sum is σ = 6064125984. Its totient is φ = 961113600.

The previous prime is 2645050517. The next prime is 2645050651. The reversal of 2645050540 is 450505462.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352912 + ... + 360328.

It is an arithmetic number, because the mean of its divisors is an integer number (126335958).

Almost surely, 22645050540 is an apocalyptic number.

2645050540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2645050540 is an abundant number, since it is smaller than the sum of its proper divisors (3419075444).

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

2645050540 is a wasteful number, since it uses less digits than its factorization.

2645050540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9058 (or 9056 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2645050540 is about 51430.0548317810. The cubic root of 2645050540 is about 1382.9654322688.

The spelling of 2645050540 in words is "two billion, six hundred forty-five million, fifty thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1621 3242 6484 7417 8105 14834 16210 17831 29668 32420 35662 37085 71324 74170 81587 89155 148340 163174 178310 326348 356620 407935 815870 1631740 12022957 24045914 48091828 60114785 120229570 132252527 240459140 264505054 529010108 661262635 1322525270 2645050540