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76003013 = 502315131
BaseRepresentation
bin1001000011110…
…11011011000101
312022000100112102
410201323123011
5123424044023
611313001445
71612005062
oct441733305
9168010472
1076003013
11399a1209
1221553285
1312990cc8
14a145c69
156a14628
hex487b6c5

76003013 has 4 divisors (see below), whose sum is σ = 76023168. Its totient is φ = 75982860.

The previous prime is 76002967. The next prime is 76003019. The reversal of 76003013 is 31030067.

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 76003013 - 224 = 59225797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76003019) 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, 2543 + ... + 12588.

It is an arithmetic number, because the mean of its divisors is an integer number (19005792).

Almost surely, 276003013 is an apocalyptic number.

It is an amenable number.

76003013 is a deficient number, since it is larger than the sum of its proper divisors (20155).

76003013 is a wasteful number, since it uses less digits than its factorization.

76003013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20154.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 76003013 is about 8717.9706927702. The cubic root of 76003013 is about 423.5879559552.

The spelling of 76003013 in words is "seventy-six million, three thousand, thirteen".

Divisors: 1 5023 15131 76003013