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74202148 = 2289208433
BaseRepresentation
bin1000110110000…
…11110000100100
312011121212012201
410123003300210
5122443432043
611210224244
71560464536
oct433036044
9164555181
1074202148
1138981199
1220a25084
13124b03c7
149bd7856
1567aac4d
hex46c3c24

74202148 has 12 divisors (see below), whose sum is σ = 131313420. Its totient is φ = 36684032.

The previous prime is 74202137. The next prime is 74202157. The reversal of 74202148 is 84120247.

It can be written as a sum of positive squares in 2 ways, for example, as 5345344 + 68856804 = 2312^2 + 8298^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103861 + ... + 104572.

It is an arithmetic number, because the mean of its divisors is an integer number (10942785).

Almost surely, 274202148 is an apocalyptic number.

It is an amenable number.

74202148 is a deficient number, since it is larger than the sum of its proper divisors (57111272).

74202148 is a wasteful number, since it uses less digits than its factorization.

74202148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208526 (or 208524 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 74202148 is about 8614.0668676299. The cubic root of 74202148 is about 420.2155884868.

The spelling of 74202148 in words is "seventy-four million, two hundred two thousand, one hundred forty-eight".

Divisors: 1 2 4 89 178 356 208433 416866 833732 18550537 37101074 74202148