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39098761 = 1310132969
BaseRepresentation
bin1001010100100…
…1100110001001
32201120102102021
42111021212021
540002130021
63514004441
7653222362
oct225114611
981512367
1039098761
1120085529
1211116721
13813c580
14529ab69
153674c41
hex2549989

39098761 has 8 divisors (see below), whose sum is σ = 42162120. Its totient is φ = 36043392.

The previous prime is 39098753. The next prime is 39098767. The reversal of 39098761 is 16789093.

It can be written as a sum of positive squares in 4 ways, for example, as 9884736 + 29214025 = 3144^2 + 5405^2 .

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 39098761 - 23 = 39098753 is a prime.

It is a super-2 number, since 2×390987612 = 3057426223470242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39098767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11685 + ... + 14653.

It is an arithmetic number, because the mean of its divisors is an integer number (5270265).

Almost surely, 239098761 is an apocalyptic number.

It is an amenable number.

39098761 is a deficient number, since it is larger than the sum of its proper divisors (3063359).

39098761 is a wasteful number, since it uses less digits than its factorization.

39098761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 39098761 is about 6252.9002071039. The cubic root of 39098761 is about 339.4071589349.

The spelling of 39098761 in words is "thirty-nine million, ninety-eight thousand, seven hundred sixty-one".

Divisors: 1 13 1013 2969 13169 38597 3007597 39098761