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71674652 = 227417439
BaseRepresentation
bin1000100010110…
…10101100011100
311222212110010202
410101122230130
5121322042102
611040123032
71530140000
oct421325434
9158773122
1071674652
1137505255
1220006478
1311b06b4a
14973a700
15645be02
hex445ab1c

71674652 has 60 divisors (see below), whose sum is σ = 155287440. Its totient is φ = 28844928.

The previous prime is 71674649. The next prime is 71674663. The reversal of 71674652 is 25647617.

It is a super-2 number, since 2×716746522 = 10274511478642208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 163049 + ... + 163487.

It is an arithmetic number, because the mean of its divisors is an integer number (2588124).

Almost surely, 271674652 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 71674652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77643720).

71674652 is an abundant number, since it is smaller than the sum of its proper divisors (83612788).

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

71674652 is a wasteful number, since it uses less digits than its factorization.

71674652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 465 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 71674652 is about 8466.0883529526. The cubic root of 71674652 is about 415.3891969914.

The spelling of 71674652 in words is "seventy-one million, six hundred seventy-four thousand, six hundred fifty-two".

Divisors: 1 2 4 7 14 17 28 34 49 68 98 119 196 238 343 439 476 686 833 878 1372 1666 1756 2401 3073 3332 4802 5831 6146 7463 9604 11662 12292 14926 21511 23324 29852 40817 43022 52241 81634 86044 104482 150577 163268 208964 301154 365687 602308 731374 1054039 1462748 2108078 2559809 4216156 5119618 10239236 17918663 35837326 71674652