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107071481 = 119733771
BaseRepresentation
bin1100110000111…
…00011111111001
321110110210110102
412120130133321
5204402241411
614342525145
72440043516
oct630343771
9243423412
10107071481
1155491430
122ba367b5
131924b40a
141031230d
1595eed3b
hex661c7f9

107071481 has 4 divisors (see below), whose sum is σ = 116805264. Its totient is φ = 97337700.

The previous prime is 107071453. The next prime is 107071507. The reversal of 107071481 is 184170701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 107071481 - 218 = 106809337 is a prime.

It is a super-2 number, since 2×1070714812 = 22928604087066722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (107071381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4866875 + ... + 4866896.

It is an arithmetic number, because the mean of its divisors is an integer number (29201316).

Almost surely, 2107071481 is an apocalyptic number.

107071481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

107071481 is a deficient number, since it is larger than the sum of its proper divisors (9733783).

107071481 is an equidigital number, since it uses as much as digits as its factorization.

107071481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9733782.

The product of its (nonzero) digits is 1568, while the sum is 29.

The square root of 107071481 is about 10347.5350204771. The cubic root of 107071481 is about 474.8516338104.

The spelling of 107071481 in words is "one hundred seven million, seventy-one thousand, four hundred eighty-one".

Divisors: 1 11 9733771 107071481