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107045491 = 715292213
BaseRepresentation
bin1100110000101…
…10001001110011
321110102110210211
412120112021303
5204400423431
614342204551
72436604660
oct630261163
9243373724
10107045491
1155473953
122ba23757
131923c637
1410306a67
1595e72b1
hex6616273

107045491 has 4 divisors (see below), whose sum is σ = 122337712. Its totient is φ = 91753272.

The previous prime is 107045489. The next prime is 107045501. The reversal of 107045491 is 194540701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194540701 = 277702313.

It is a cyclic number.

It is not a de Polignac number, because 107045491 - 21 = 107045489 is a prime.

It is a super-2 number, since 2×1070454912 = 22917474286862162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107045441) 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 3 ways as a sum of consecutive naturals, for example, 7646100 + ... + 7646113.

It is an arithmetic number, because the mean of its divisors is an integer number (30584428).

Almost surely, 2107045491 is an apocalyptic number.

107045491 is a deficient number, since it is larger than the sum of its proper divisors (15292221).

107045491 is an equidigital number, since it uses as much as digits as its factorization.

107045491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15292220.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 107045491 is about 10346.2790896051. The cubic root of 107045491 is about 474.8132096582.

The spelling of 107045491 in words is "one hundred seven million, forty-five thousand, four hundred ninety-one".

Divisors: 1 7 15292213 107045491