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1241494949 = 5397241489
BaseRepresentation
bin100100111111111…
…1011010110100101
310012112002110220102
41021333323112211
510020310314244
6323105313445
742523350542
oct11177732645
93175073812
101241494949
11587878592
122a7935885
1316a2925c6
14bac51bc9
1573ed554e
hex49ffb5a5

1241494949 has 8 divisors (see below), whose sum is σ = 1277965080. Its totient is φ = 1205508096.

The previous prime is 1241494939. The next prime is 1241494957. The reversal of 1241494949 is 9494941421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 120450625 + 1121044324 = 10975^2 + 33482^2 .

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 1241494949 - 224 = 1224717733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241494939) 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, 115604 + ... + 125885.

It is an arithmetic number, because the mean of its divisors is an integer number (159745635).

Almost surely, 21241494949 is an apocalyptic number.

It is an amenable number.

1241494949 is a deficient number, since it is larger than the sum of its proper divisors (36470131).

1241494949 is an equidigital number, since it uses as much as digits as its factorization.

1241494949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241639.

The product of its digits is 373248, while the sum is 47.

The square root of 1241494949 is about 35234.8541787816. The cubic root of 1241494949 is about 1074.7686393035.

The spelling of 1241494949 in words is "one billion, two hundred forty-one million, four hundred ninety-four thousand, nine hundred forty-nine".

Divisors: 1 53 97 5141 241489 12798917 23424433 1241494949