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1241948305 = 51319106897
BaseRepresentation
bin100101000000110…
…1010000010010001
310012112221111210101
41022001222002101
510020414321210
6323123132401
742530246353
oct11201520221
93175844711
101241948305
11588058164
122a7b14101
1316a3c0a70
14bad2d0d3
1574074a3a
hex4a06a091

1241948305 has 8 divisors (see below), whose sum is σ = 1604979432. Its totient is φ = 917131008.

The previous prime is 1241948299. The next prime is 1241948359. The reversal of 1241948305 is 5038491421.

It can be written as a sum of positive squares in 4 ways, for example, as 654481 + 1241293824 = 809^2 + 35232^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1241948305 - 23 = 1241948297 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, 9553384 + ... + 9553513.

It is an arithmetic number, because the mean of its divisors is an integer number (200622429).

Almost surely, 21241948305 is an apocalyptic number.

It is an amenable number.

1241948305 is a deficient number, since it is larger than the sum of its proper divisors (363031127).

1241948305 is a wasteful number, since it uses less digits than its factorization.

1241948305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19106915.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1241948305 is about 35241.2869373410. The cubic root of 1241948305 is about 1074.8994475987.

The spelling of 1241948305 in words is "one billion, two hundred forty-one million, nine hundred forty-eight thousand, three hundred five".

Divisors: 1 5 13 65 19106897 95534485 248389661 1241948305