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74149355 = 572392111
BaseRepresentation
bin1000110101101…
…10110111101011
312011112011210102
410122312313223
5122440234410
611205140015
71560154610
oct432666753
9164464712
1074149355
1138945565
12209ba60b
1312492377
149bc2507
15679a2a5
hex46b6deb

74149355 has 16 divisors (see below), whose sum is σ = 106113024. Its totient is φ = 48634080.

The previous prime is 74149351. The next prime is 74149363. The reversal of 74149355 is 55394147.

It is not a de Polignac number, because 74149355 - 22 = 74149351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74149351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45251 + ... + 46860.

It is an arithmetic number, because the mean of its divisors is an integer number (6632064).

Almost surely, 274149355 is an apocalyptic number.

74149355 is a deficient number, since it is larger than the sum of its proper divisors (31963669).

74149355 is a wasteful number, since it uses less digits than its factorization.

74149355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92146.

The product of its digits is 75600, while the sum is 38.

The square root of 74149355 is about 8611.0019742188. The cubic root of 74149355 is about 420.1159071637.

The spelling of 74149355 in words is "seventy-four million, one hundred forty-nine thousand, three hundred fifty-five".

Divisors: 1 5 7 23 35 115 161 805 92111 460555 644777 2118553 3223885 10592765 14829871 74149355