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74303271 = 3372317093
BaseRepresentation
bin1000110110111…
…00011100100111
312011210222221000
410123130130213
5123010201041
611212324343
71561365420
oct433343447
9164728830
1074303271
1138a40169
1220a736b3
1312517443
149c22647
1567cabb6
hex46dc727

74303271 has 32 divisors (see below), whose sum is σ = 131281920. Its totient is φ = 40610592.

The previous prime is 74303267. The next prime is 74303291. The reversal of 74303271 is 17230347.

It is not a de Polignac number, because 74303271 - 22 = 74303267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74303221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4200 + ... + 12893.

It is an arithmetic number, because the mean of its divisors is an integer number (4102560).

Almost surely, 274303271 is an apocalyptic number.

74303271 is a deficient number, since it is larger than the sum of its proper divisors (56978649).

74303271 is a wasteful number, since it uses less digits than its factorization.

74303271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17132 (or 17126 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 74303271 is about 8619.9345125123. The cubic root of 74303271 is about 420.4063923619.

It can be divided in two parts, 7430 and 3271, that added together give a palindrome (10701).

The spelling of 74303271 in words is "seventy-four million, three hundred three thousand, two hundred seventy-one".

Divisors: 1 3 7 9 21 23 27 63 69 161 189 207 483 621 1449 4347 17093 51279 119651 153837 358953 393139 461511 1076859 1179417 2751973 3230577 3538251 8255919 10614753 24767757 74303271