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806494740 = 223533140609
BaseRepresentation
bin110000000100100…
…010001000010100
32002012120011210120
4300010202020110
53122430312430
6212005551540
725662043422
oct6004421024
92065504716
10806494740
11384277487
121a61155b0
13cb11812c
147917a112
154ac0b610
hex30122214

806494740 has 48 divisors (see below), whose sum is σ = 2265063360. Its totient is φ = 214410240.

The previous prime is 806494699. The next prime is 806494769. The reversal of 806494740 is 47494608.

It is a junction number, because it is equal to n+sod(n) for n = 806494692 and 806494701.

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, 445 + ... + 40164.

It is an arithmetic number, because the mean of its divisors is an integer number (47188820).

Almost surely, 2806494740 is an apocalyptic number.

It is an amenable number.

806494740 is an abundant number, since it is smaller than the sum of its proper divisors (1458568620).

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

806494740 is a wasteful number, since it uses less digits than its factorization.

806494740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40952 (or 40950 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 806494740 is about 28398.8510330964. The cubic root of 806494740 is about 930.8231583486.

The spelling of 806494740 in words is "eight hundred six million, four hundred ninety-four thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 331 662 993 1324 1655 1986 3310 3972 4965 6620 9930 19860 40609 81218 121827 162436 203045 243654 406090 487308 609135 812180 1218270 2436540 13441579 26883158 40324737 53766316 67207895 80649474 134415790 161298948 201623685 268831580 403247370 806494740