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76670642 = 2238316087
BaseRepresentation
bin1001001000111…
…10011010110010
312100021021100102
410210132122302
5124111430032
611335152402
71620455366
oct444363262
9170237312
1076670642
113a307874
1221815702
1312b65b59
14a27b2a6
156ae7362
hex491e6b2

76670642 has 8 divisors (see below), whose sum is σ = 115061376. Its totient is φ = 38316852.

The previous prime is 76670641. The next prime is 76670723. The reversal of 76670642 is 24607667.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 76670596 and 76670605.

It is not an unprimeable number, because it can be changed into a prime (76670641) 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, 3278 + ... + 12809.

It is an arithmetic number, because the mean of its divisors is an integer number (14382672).

Almost surely, 276670642 is an apocalyptic number.

76670642 is a deficient number, since it is larger than the sum of its proper divisors (38390734).

76670642 is a wasteful number, since it uses less digits than its factorization.

76670642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18472.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 76670642 is about 8756.1773622969. The cubic root of 76670642 is about 424.8246418427.

The spelling of 76670642 in words is "seventy-six million, six hundred seventy thousand, six hundred forty-two".

Divisors: 1 2 2383 4766 16087 32174 38335321 76670642