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9999741 = 37942193
BaseRepresentation
bin100110001001…
…010101111101
3200211001001210
4212021111331
510024442431
6554155033
7150665523
oct46112575
920731053
109999741
11570aa54
123422a79
1320c170b
141484313
15d27d46
hex98957d

9999741 has 8 divisors (see below), whose sum is σ = 13502080. Its totient is φ = 6581952.

The previous prime is 9999739. The next prime is 9999749. The reversal of 9999741 is 1479999.

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

It is not a de Polignac number, because 9999741 - 21 = 9999739 is a prime.

It is a Duffinian number.

9999741 is a lucky number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999749) 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 7 ways as a sum of consecutive naturals, for example, 20860 + ... + 21333.

It is an arithmetic number, because the mean of its divisors is an integer number (1687760).

Almost surely, 29999741 is an apocalyptic number.

It is an amenable number.

9999741 is a deficient number, since it is larger than the sum of its proper divisors (3502339).

9999741 is a wasteful number, since it uses less digits than its factorization.

9999741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42275.

The product of its digits is 183708, while the sum is 48.

The square root of 9999741 is about 3162.2367084075. The cubic root of 9999741 is about 215.4416089918.

The spelling of 9999741 in words is "nine million, nine hundred ninety-nine thousand, seven hundred forty-one".

Divisors: 1 3 79 237 42193 126579 3333247 9999741