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107783741 = 1331326489
BaseRepresentation
bin1100110110010…
…10011000111101
321111210222111102
412123022120331
5210043034431
614410102445
72446101212
oct633123075
9244728442
10107783741
115592857a
123011aa25
131943a680
1410459b09
1596e0dcb
hex66ca63d

107783741 has 8 divisors (see below), whose sum is σ = 116450040. Its totient is φ = 99171072.

The previous prime is 107783707. The next prime is 107783743. The reversal of 107783741 is 147387701.

It can be written as a sum of positive squares in 4 ways, for example, as 9278116 + 98505625 = 3046^2 + 9925^2 .

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

It is not a de Polignac number, because 107783741 - 26 = 107783677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107783695 and 107783704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107783743) 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, 9176 + ... + 17313.

It is an arithmetic number, because the mean of its divisors is an integer number (14556255).

Almost surely, 2107783741 is an apocalyptic number.

It is an amenable number.

107783741 is a deficient number, since it is larger than the sum of its proper divisors (8666299).

107783741 is a wasteful number, since it uses less digits than its factorization.

107783741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26815.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 107783741 is about 10381.8948655821. The cubic root of 107783741 is about 475.9022423001.

The spelling of 107783741 in words is "one hundred seven million, seven hundred eighty-three thousand, seven hundred forty-one".

Divisors: 1 13 313 4069 26489 344357 8291057 107783741