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75081106 = 237540553
BaseRepresentation
bin1000111100110…
…10010110010010
312020021111220201
410132122112102
5123210043411
611241125414
71601115232
oct436322622
9166244821
1075081106
1139421601
122118986a
131272a4b9
149d85cc2
1568d13c1
hex479a592

75081106 has 4 divisors (see below), whose sum is σ = 112621662. Its totient is φ = 37540552.

The previous prime is 75081073. The next prime is 75081107. The reversal of 75081106 is 60118057.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56115081 + 18966025 = 7491^2 + 4355^2 .

It is not an unprimeable number, because it can be changed into a prime (75081107) 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 as a sum of consecutive naturals, namely, 18770275 + ... + 18770278.

Almost surely, 275081106 is an apocalyptic number.

75081106 is a deficient number, since it is larger than the sum of its proper divisors (37540556).

75081106 is a wasteful number, since it uses less digits than its factorization.

75081106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37540555.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 75081106 is about 8664.9354296498. The cubic root of 75081106 is about 421.8682944412.

The spelling of 75081106 in words is "seventy-five million, eighty-one thousand, one hundred six".

Divisors: 1 2 37540553 75081106