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74952216 = 23342347107
BaseRepresentation
bin1000111011110…
…10111000011000
312020000222010000
410131322320120
5123141432331
611234253000
71600040403
oct435727030
9166028100
1074952216
1139343789
1221127160
13126b3931
149d50d3a
1568a80e6
hex477ae18

74952216 has 160 divisors (see below), whose sum is σ = 225815040. Its totient is φ = 23170752.

The previous prime is 74952187. The next prime is 74952221. The reversal of 74952216 is 61225947.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 700435 + ... + 700541.

It is an arithmetic number, because the mean of its divisors is an integer number (1411344).

Almost surely, 274952216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74952216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112907520).

74952216 is an abundant number, since it is smaller than the sum of its proper divisors (150862824).

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

74952216 is a wasteful number, since it uses less digits than its factorization.

74952216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 182 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 74952216 is about 8657.4947877547. The cubic root of 74952216 is about 421.6267523204.

The spelling of 74952216 in words is "seventy-four million, nine hundred fifty-two thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 27 36 46 47 54 69 72 81 92 94 107 108 138 141 162 184 188 207 214 216 276 282 321 324 376 414 423 428 552 564 621 642 648 828 846 856 963 1081 1128 1242 1269 1284 1656 1692 1863 1926 2162 2461 2484 2538 2568 2889 3243 3384 3726 3807 3852 4324 4922 4968 5029 5076 5778 6486 7383 7452 7614 7704 8648 8667 9729 9844 10058 10152 11556 12972 14766 14904 15087 15228 17334 19458 19688 20116 22149 23112 25944 29187 29532 30174 30456 34668 38916 40232 44298 45261 58374 59064 60348 66447 69336 77832 87561 88596 90522 115667 116748 120696 132894 135783 175122 177192 181044 199341 231334 233496 265788 271566 347001 350244 362088 398682 407349 462668 531576 543132 694002 700488 797364 814698 925336 1041003 1086264 1388004 1594728 1629396 2082006 2776008 3123009 3258792 4164012 6246018 8328024 9369027 12492036 18738054 24984072 37476108 74952216