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74385016 = 23139151443
BaseRepresentation
bin1000110111100…
…00011001111000
312011222011001121
410123300121320
5123020310031
611214155024
71562155636
oct433603170
9164864047
1074385016
1138a96622
1220ab2a74
1312545704
149c44356
1567e5011
hex46f0678

74385016 has 32 divisors (see below), whose sum is σ = 141724800. Its totient is φ = 36597600.

The previous prime is 74385011. The next prime is 74385037. The reversal of 74385016 is 61058347.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74385011) 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, 167691 + ... + 168133.

It is an arithmetic number, because the mean of its divisors is an integer number (4428900).

Almost surely, 274385016 is an apocalyptic number.

It is an amenable number.

74385016 is a deficient number, since it is larger than the sum of its proper divisors (67339784).

74385016 is a wasteful number, since it uses less digits than its factorization.

74385016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 74385016 is about 8624.6748344503. The cubic root of 74385016 is about 420.5605063738.

The spelling of 74385016 in words is "seventy-four million, three hundred eighty-five thousand, sixteen".

Divisors: 1 2 4 8 139 151 278 302 443 556 604 886 1112 1208 1772 3544 20989 41978 61577 66893 83956 123154 133786 167912 246308 267572 492616 535144 9298127 18596254 37192508 74385016