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80274741 = 3123121737
BaseRepresentation
bin1001100100011…
…10010100110101
312121001101020120
410302032110311
5131022242431
611544322153
71663216101
oct462162465
9177041216
1080274741
1141349668
1222a73359
1313828461
14a938901
1570aa196
hex4c8e535

80274741 has 8 divisors (see below), whose sum is σ = 107124864. Its totient is φ = 53470560.

The previous prime is 80274737. The next prime is 80274743. The reversal of 80274741 is 14747208.

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

It is not a de Polignac number, because 80274741 - 22 = 80274737 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80274743) 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 7 ways as a sum of consecutive naturals, for example, 7176 + ... + 14561.

It is an arithmetic number, because the mean of its divisors is an integer number (13390608).

Almost surely, 280274741 is an apocalyptic number.

It is an amenable number.

80274741 is a deficient number, since it is larger than the sum of its proper divisors (26850123).

80274741 is a wasteful number, since it uses less digits than its factorization.

80274741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22971.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 80274741 is about 8959.6172351278. The cubic root of 80274741 is about 431.3796340379.

The spelling of 80274741 in words is "eighty million, two hundred seventy-four thousand, seven hundred forty-one".

Divisors: 1 3 1231 3693 21737 65211 26758247 80274741