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2940357505 = 5863681427
BaseRepresentation
bin1010111101000010…
…0100101110000001
321120220210122012211
42233100210232001
522010212420010
61203434022121
7132602424601
oct25720445601
97526718184
102940357505
111279834128
126a0877941
1337b231217
141dc71cc01
1512321208a
hexaf424b81

2940357505 has 8 divisors (see below), whose sum is σ = 3532522752. Its totient is φ = 2349556848.

The previous prime is 2940357463. The next prime is 2940357523. The reversal of 2940357505 is 5057530492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2940357505 is a prime.

It is a Duffinian 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, 336399 + ... + 345028.

It is an arithmetic number, because the mean of its divisors is an integer number (441565344).

Almost surely, 22940357505 is an apocalyptic number.

It is an amenable number.

2940357505 is a deficient number, since it is larger than the sum of its proper divisors (592165247).

2940357505 is an equidigital number, since it uses as much as digits as its factorization.

2940357505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682295.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 2940357505 is about 54225.0634393359. The cubic root of 2940357505 is about 1432.6278159675.

Adding to 2940357505 its reverse (5057530492), we get a palindrome (7997887997).

The spelling of 2940357505 in words is "two billion, nine hundred forty million, three hundred fifty-seven thousand, five hundred five".

Divisors: 1 5 863 4315 681427 3407135 588071501 2940357505