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74049228 = 22341179263
BaseRepresentation
bin1000110100111…
…10011011001100
312011100002110000
410122132123030
5122424033403
611203044300
71556256651
oct432363314
9164302400
1074049228
1138887310
1220970690
1312458916
149b97c28
15677a7a3
hex469e6cc

74049228 has 120 divisors (see below), whose sum is σ = 214663680. Its totient is φ = 22070880.

The previous prime is 74049179. The next prime is 74049233. The reversal of 74049228 is 82294047.

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

It is a junction number, because it is equal to n+sod(n) for n = 74049192 and 74049201.

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, 281425 + ... + 281687.

It is an arithmetic number, because the mean of its divisors is an integer number (1788864).

Almost surely, 274049228 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 74049228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107331840).

74049228 is an abundant number, since it is smaller than the sum of its proper divisors (140614452).

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

74049228 is a wasteful number, since it uses less digits than its factorization.

74049228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 74049228 is about 8605.1861107125. The cubic root of 74049228 is about 419.9267219097.

The spelling of 74049228 in words is "seventy-four million, forty-nine thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 79 81 99 108 132 158 162 198 237 263 297 316 324 396 474 526 594 711 789 869 891 948 1052 1188 1422 1578 1738 1782 2133 2367 2607 2844 2893 3156 3476 3564 4266 4734 5214 5786 6399 7101 7821 8532 8679 9468 10428 11572 12798 14202 15642 17358 20777 21303 23463 25596 26037 28404 31284 34716 41554 42606 46926 52074 62331 70389 78111 83108 85212 93852 104148 124662 140778 156222 186993 228547 234333 249324 281556 312444 373986 457094 468666 560979 685641 747972 914188 937332 1121958 1371282 1682937 2056923 2243916 2742564 3365874 4113846 6170769 6731748 8227692 12341538 18512307 24683076 37024614 74049228