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3107541380 = 225732128453
BaseRepresentation
bin1011100100111001…
…0101000110000100
322000120101110101012
42321032111012010
522331012311010
61232205221352
7140002444256
oct27116250604
98016343335
103107541380
111355142919
12728861858
133a6a687a8
142169dbcd6
15132c38005
hexb9395184

3107541380 has 24 divisors (see below), whose sum is σ = 6615235032. Its totient is φ = 1225988352.

The previous prime is 3107541379. The next prime is 3107541383. The reversal of 3107541380 is 831457013.

It can be written as a sum of positive squares in 4 ways, for example, as 497557636 + 2609983744 = 22306^2 + 51088^2 .

It is not an unprimeable number, because it can be changed into a prime (3107541383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062767 + ... + 1065686.

It is an arithmetic number, because the mean of its divisors is an integer number (275634793).

Almost surely, 23107541380 is an apocalyptic number.

It is an amenable number.

3107541380 is an abundant number, since it is smaller than the sum of its proper divisors (3507693652).

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

3107541380 is a wasteful number, since it uses less digits than its factorization.

3107541380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128535 (or 2128533 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 3107541380 is about 55745.3260821031. The cubic root of 3107541380 is about 1459.2811529752.

Adding to 3107541380 its reverse (831457013), we get a palindrome (3938998393).

The spelling of 3107541380 in words is "three billion, one hundred seven million, five hundred forty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 2128453 4256906 8513812 10642265 21284530 42569060 155377069 310754138 621508276 776885345 1553770690 3107541380