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103791961 = 7131140571
BaseRepresentation
bin1100010111110…
…11110101011001
321020022011210201
412023323311121
5203032320321
614144342201
72400134320
oct613736531
9236264721
10103791961
1153651489
122a914961
1318670780
14dadb0b7
1591a3291
hex62fbd59

103791961 has 8 divisors (see below), whose sum is σ = 127744064. Its totient is φ = 82121040.

The previous prime is 103791959. The next prime is 103791971. The reversal of 103791961 is 169197301.

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 103791961 - 21 = 103791959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103791961.

It is not an unprimeable number, because it can be changed into a prime (103791971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570195 + ... + 570376.

It is an arithmetic number, because the mean of its divisors is an integer number (15968008).

Almost surely, 2103791961 is an apocalyptic number.

It is an amenable number.

103791961 is a deficient number, since it is larger than the sum of its proper divisors (23952103).

103791961 is a wasteful number, since it uses less digits than its factorization.

103791961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140591.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 103791961 is about 10187.8339699860. The cubic root of 103791961 is about 469.9531581505.

The spelling of 103791961 in words is "one hundred three million, seven hundred ninety-one thousand, nine hundred sixty-one".

Divisors: 1 7 13 91 1140571 7983997 14827423 103791961