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76920349 = 1123304033
BaseRepresentation
bin1001001010110…
…11011000011101
312100201221212211
410211123120131
5124142422344
611344400421
71622545402
oct445333035
9170657784
1076920349
113a468440
1221916111
1312c226cc
14a3042a9
156b46334
hex495b61d

76920349 has 8 divisors (see below), whose sum is σ = 87561792. Its totient is φ = 66887040.

The previous prime is 76920323. The next prime is 76920353. The reversal of 76920349 is 94302967.

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

It is not a de Polignac number, because 76920349 - 25 = 76920317 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 (76920149) 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, 151764 + ... + 152269.

It is an arithmetic number, because the mean of its divisors is an integer number (10945224).

Almost surely, 276920349 is an apocalyptic number.

It is an amenable number.

76920349 is a deficient number, since it is larger than the sum of its proper divisors (10641443).

76920349 is a wasteful number, since it uses less digits than its factorization.

76920349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304067.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 76920349 is about 8770.4246761488. The cubic root of 76920349 is about 425.2853428661.

The spelling of 76920349 in words is "seventy-six million, nine hundred twenty thousand, three hundred forty-nine".

Divisors: 1 11 23 253 304033 3344363 6992759 76920349