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74241144 = 2333343709
BaseRepresentation
bin1000110110011…
…01010001111000
312011200211201000
410123031101320
5123001204034
611211125000
71561016325
oct433152170
9164624630
1074241144
11389a851a
1220a43760
13124c5093
149c07b4c
1567b7599
hex46cd478

74241144 has 32 divisors (see below), whose sum is σ = 206226000. Its totient is φ = 24746976.

The previous prime is 74241143. The next prime is 74241149. The reversal of 74241144 is 44114247.

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 (74241143) 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, 171639 + ... + 172070.

Almost surely, 274241144 is an apocalyptic number.

It is an amenable number.

74241144 is an abundant number, since it is smaller than the sum of its proper divisors (131984856).

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

74241144 is a wasteful number, since it uses less digits than its factorization.

74241144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343724 (or 343714 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 74241144 is about 8616.3300772429. The cubic root of 74241144 is about 420.2891885903.

The spelling of 74241144 in words is "seventy-four million, two hundred forty-one thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 343709 687418 1031127 1374836 2062254 2749672 3093381 4124508 6186762 8249016 9280143 12373524 18560286 24747048 37120572 74241144