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5431550340 = 223590525839
BaseRepresentation
bin1010000111011111…
…01110000110000100
3112000112102100100010
411003233232012010
542110434102330
62254544550220
7251412262506
oct50357560604
915015370303
105431550340
112337a72187
121077022370
13687398a18
14397519d76
1521bc9d3b0
hex143bee184

5431550340 has 24 divisors (see below), whose sum is σ = 15208341120. Its totient is φ = 1448413408.

The previous prime is 5431550297. The next prime is 5431550357. The reversal of 5431550340 is 430551345.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5431550298 and 5431550307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45262860 + ... + 45262979.

It is an arithmetic number, because the mean of its divisors is an integer number (633680880).

Almost surely, 25431550340 is an apocalyptic number.

It is an amenable number.

5431550340 is an abundant number, since it is smaller than the sum of its proper divisors (9776790780).

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

5431550340 is a wasteful number, since it uses less digits than its factorization.

5431550340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90525851 (or 90525849 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 5431550340 is about 73699.0525040858. The cubic root of 5431550340 is about 1757.8208157339.

The spelling of 5431550340 in words is "five billion, four hundred thirty-one million, five hundred fifty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 90525839 181051678 271577517 362103356 452629195 543155034 905258390 1086310068 1357887585 1810516780 2715775170 5431550340