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74120046 = 237211134143
BaseRepresentation
bin1000110101011…
…11101101101110
312011110200120220
410122233231232
5122433320141
611204352210
71560003300
oct432575556
9164420526
1074120046
1138925540
12209a5666
1312481c20
149bb5970
156791766
hex46afb6e

74120046 has 192 divisors, whose sum is σ = 212357376. Its totient is φ = 16934400.

The previous prime is 74120029. The next prime is 74120069. The reversal of 74120046 is 64002147.

It is a junction number, because it is equal to n+sod(n) for n = 74119998 and 74120025.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 1723701 + ... + 1723743.

It is an arithmetic number, because the mean of its divisors is an integer number (1106028).

Almost surely, 274120046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74120046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106178688).

74120046 is an abundant number, since it is smaller than the sum of its proper divisors (138237330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74120046 is a wasteful number, since it uses less digits than its factorization.

74120046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 74120046 is about 8609.2999715424. The cubic root of 74120046 is about 420.0605468268.

The spelling of 74120046 in words is "seventy-four million, one hundred twenty thousand, forty-six".