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349232297840 = 2457359800051
BaseRepresentation
bin1010001010011111101…
…11011111011101110000
31020101102121011212222122
411011033313133131300
521210211432012330
6424233552053412
734142205360356
oct5051767373560
91211377155878
10349232297840
11125121589358
1257825234268
1326c178165aa
1412c8d9137d6
15913e95b5e5
hex514fddf770

349232297840 has 40 divisors (see below), whose sum is σ = 823087915728. Its totient is φ = 137779315200.

The previous prime is 349232297833. The next prime is 349232297863. The reversal of 349232297840 is 48792232943.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 29894186 + ... + 29905865.

Almost surely, 2349232297840 is an apocalyptic number.

It is an amenable number.

349232297840 is an abundant number, since it is smaller than the sum of its proper divisors (473855617888).

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

349232297840 is a wasteful number, since it uses less digits than its factorization.

349232297840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59800137 (or 59800131 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 349232297840 in words is "three hundred forty-nine billion, two hundred thirty-two million, two hundred ninety-seven thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 73 80 146 292 365 584 730 1168 1460 2920 5840 59800051 119600102 239200204 299000255 478400408 598000510 956800816 1196001020 2392002040 4365403723 4784004080 8730807446 17461614892 21827018615 34923229784 43654037230 69846459568 87308074460 174616148920 349232297840