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5445450140 = 2251327317669
BaseRepresentation
bin1010001001001001…
…01111100110011100
3112001111120112021112
411010210233212130
542123013401030
62300202521152
7251641363634
oct50444574634
915044515245
105445450140
1123448a6319
12107b8061b8
1368a224660
143992d76c4
1521d0e6a95
hex14492f99c

5445450140 has 48 divisors (see below), whose sum is σ = 12321210720. Its totient is φ = 2009629440.

The previous prime is 5445450133. The next prime is 5445450161. The reversal of 5445450140 is 410545445.

It is a junction number, because it is equal to n+sod(n) for n = 5445450097 and 5445450106.

It is a congruent number.

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, 706226 + ... + 713894.

It is an arithmetic number, because the mean of its divisors is an integer number (256691890).

Almost surely, 25445450140 is an apocalyptic number.

It is an amenable number.

5445450140 is an abundant number, since it is smaller than the sum of its proper divisors (6875760580).

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

5445450140 is a wasteful number, since it uses less digits than its factorization.

5445450140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10422 (or 10420 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 5445450140 is about 73793.2933266974. The cubic root of 5445450140 is about 1759.3190095263.

Adding to 5445450140 its reverse (410545445), we get a palindrome (5855995585).

The spelling of 5445450140 in words is "five billion, four hundred forty-five million, four hundred fifty thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 2731 5462 7669 10924 13655 15338 27310 30676 35503 38345 54620 71006 76690 99697 142012 153380 177515 199394 355030 398788 498485 710060 996970 1993940 20944039 41888078 83776156 104720195 209440390 272272507 418880780 544545014 1089090028 1361362535 2722725070 5445450140