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76841349 = 3131970291
BaseRepresentation
bin1001001010010…
…00000110000101
312100120221111220
410211020012011
5124132410344
611342550553
71622066154
oct445100605
9170527456
1076841349
113a414052
1221898459
1312bc5770
14a2c359b
156b2cc19
hex4948185

76841349 has 8 divisors (see below), whose sum is σ = 110336352. Its totient is φ = 47286960.

The previous prime is 76841327. The next prime is 76841353. The reversal of 76841349 is 94314867.

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

It is not a de Polignac number, because 76841349 - 27 = 76841221 is a prime.

It is a super-2 number, since 2×768413492 = 11809185832279602, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 76841349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76841449) 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, 985107 + ... + 985184.

It is an arithmetic number, because the mean of its divisors is an integer number (13792044).

Almost surely, 276841349 is an apocalyptic number.

It is an amenable number.

76841349 is a deficient number, since it is larger than the sum of its proper divisors (33495003).

76841349 is a wasteful number, since it uses less digits than its factorization.

76841349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970307.

The product of its digits is 145152, while the sum is 42.

The square root of 76841349 is about 8765.9197463814. The cubic root of 76841349 is about 425.1396984818.

The spelling of 76841349 in words is "seventy-six million, eight hundred forty-one thousand, three hundred forty-nine".

Divisors: 1 3 13 39 1970291 5910873 25613783 76841349