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241917993 = 3226879777
BaseRepresentation
bin11100110101101…
…10000000101001
3121212012201002200
432122312000221
5443412333433
640001050413
75665161162
oct1632660051
9555181080
10241917993
11114613629
1269026a09
133b172b55
14241b4769
1516389613
hexe6b6029

241917993 has 6 divisors (see below), whose sum is σ = 349437114. Its totient is φ = 161278656.

The previous prime is 241917989. The next prime is 241917997. The reversal of 241917993 is 399719142.

It is an interprime number because it is at equal distance from previous prime (241917989) and next prime (241917997).

It can be written as a sum of positive squares in only one way, i.e., 132987024 + 108930969 = 11532^2 + 10437^2 .

It is not a de Polignac number, because 241917993 - 22 = 241917989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (241917997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13439880 + ... + 13439897.

It is an arithmetic number, because the mean of its divisors is an integer number (58239519).

Almost surely, 2241917993 is an apocalyptic number.

It is an amenable number.

241917993 is a deficient number, since it is larger than the sum of its proper divisors (107519121).

241917993 is a wasteful number, since it uses less digits than its factorization.

241917993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26879783 (or 26879780 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 241917993 is about 15553.7131579568. The cubic root of 241917993 is about 623.0975691129.

The spelling of 241917993 in words is "two hundred forty-one million, nine hundred seventeen thousand, nine hundred ninety-three".

Divisors: 1 3 9 26879777 80639331 241917993