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3115423040 = 26517215657
BaseRepresentation
bin1011100110110001…
…1001010101000000
322001010012212222112
42321230121111000
522340022014130
61233050154452
7140126442002
oct27154312500
98033185875
103115423040
111359636494
1272b422a28
133a85980b2
14217a90372
15133793495
hexb9b19540

3115423040 has 56 divisors (see below), whose sum is σ = 7424223912. Its totient is φ = 1245224960.

The previous prime is 3115423039. The next prime is 3115423081. The reversal of 3115423040 is 403245113.

It can be written as a sum of positive squares in 4 ways, for example, as 140375104 + 2975047936 = 11848^2 + 54544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3115422997 and 3115423015.

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, 547892 + ... + 553548.

It is an arithmetic number, because the mean of its divisors is an integer number (132575427).

Almost surely, 23115423040 is an apocalyptic number.

It is an amenable number.

3115423040 is an abundant number, since it is smaller than the sum of its proper divisors (4308800872).

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

3115423040 is a wasteful number, since it uses less digits than its factorization.

3115423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7395 (or 7385 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3115423040 is about 55815.9747742526. The cubic root of 3115423040 is about 1460.5138367769.

Adding to 3115423040 its reverse (403245113), we get a palindrome (3518668153).

The spelling of 3115423040 in words is "three billion, one hundred fifteen million, four hundred twenty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 1721 3442 5657 6884 8605 11314 13768 17210 22628 27536 28285 34420 45256 55072 56570 68840 90512 110144 113140 137680 181024 226280 275360 362048 452560 550720 905120 1810240 9735697 19471394 38942788 48678485 77885576 97356970 155771152 194713940 311542304 389427880 623084608 778855760 1557711520 3115423040