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74380152 = 23371123659
BaseRepresentation
bin1000110111011…
…11001101111000
312011221220101110
410123233031320
5123020131102
611214120320
71562135520
oct433571570
9164856343
1074380152
1138a92a00
1220ab00a0
1312543432
149c42680
1567e386c
hex46ef378

74380152 has 96 divisors (see below), whose sum is σ = 233654400. Its totient is φ = 19314240.

The previous prime is 74380093. The next prime is 74380171. The reversal of 74380152 is 25108347.

It is a super-3 number, since 3×743801523 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18499 + ... + 22157.

It is an arithmetic number, because the mean of its divisors is an integer number (2433900).

Almost surely, 274380152 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 74380152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116827200).

74380152 is an abundant number, since it is smaller than the sum of its proper divisors (159274248).

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

74380152 is a wasteful number, since it uses less digits than its factorization.

74380152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697 (or 3682 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 74380152 is about 8624.3928481952. The cubic root of 74380152 is about 420.5513394250.

Adding to 74380152 its reverse (25108347), we get a palindrome (99488499).

The spelling of 74380152 in words is "seventy-four million, three hundred eighty thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 77 84 88 121 132 154 168 231 242 264 308 363 462 484 616 726 847 924 968 1452 1694 1848 2541 2904 3388 3659 5082 6776 7318 10164 10977 14636 20328 21954 25613 29272 40249 43908 51226 76839 80498 87816 102452 120747 153678 160996 204904 241494 281743 307356 321992 442739 482988 563486 614712 845229 885478 965976 1126972 1328217 1690458 1770956 2253944 2656434 3099173 3380916 3541912 5312868 6198346 6761832 9297519 10625736 12396692 18595038 24793384 37190076 74380152