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76675945 = 541374029
BaseRepresentation
bin1001001000111…
…11101101101001
312100021112121211
410210133231221
5124112112240
611335233121
71620510013
oct444375551
9170245554
1076675945
113a310855
12218187a1
1312b683a8
14a27d1b3
156ae8bea
hex491fb69

76675945 has 8 divisors (see below), whose sum is σ = 94255560. Its totient is φ = 59844480.

The previous prime is 76675943. The next prime is 76675961. The reversal of 76675945 is 54957667.

It can be written as a sum of positive squares in 4 ways, for example, as 2647129 + 74028816 = 1627^2 + 8604^2 .

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

It is not a de Polignac number, because 76675945 - 21 = 76675943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76675943) 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, 186810 + ... + 187219.

It is an arithmetic number, because the mean of its divisors is an integer number (11781945).

Almost surely, 276675945 is an apocalyptic number.

It is an amenable number.

76675945 is a deficient number, since it is larger than the sum of its proper divisors (17579615).

76675945 is a wasteful number, since it uses less digits than its factorization.

76675945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374075.

The product of its digits is 1587600, while the sum is 49.

The square root of 76675945 is about 8756.4801718499. The cubic root of 76675945 is about 424.8344360876.

The spelling of 76675945 in words is "seventy-six million, six hundred seventy-five thousand, nine hundred forty-five".

Divisors: 1 5 41 205 374029 1870145 15335189 76675945