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57449007 = 3471161151
BaseRepresentation
bin1101101100100…
…1101000101111
311000002201020000
43123021220233
5104201332012
65411155343
71265210550
oct333115057
9130081200
1057449007
112a479320
12172a5b53
13bb95ac5
1478b6327
15509bddc
hex36c9a2f

57449007 has 80 divisors (see below), whose sum is σ = 109469184. Its totient is φ = 29160000.

The previous prime is 57449003. The next prime is 57449017. The reversal of 57449007 is 70094475.

It is a happy number.

It is not a de Polignac number, because 57449007 - 22 = 57449003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57449003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 380382 + ... + 380532.

Almost surely, 257449007 is an apocalyptic number.

57449007 is a deficient number, since it is larger than the sum of its proper divisors (52020177).

57449007 is a wasteful number, since it uses less digits than its factorization.

57449007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 57449007 is about 7579.5123194042. The cubic root of 57449007 is about 385.8579998857.

The spelling of 57449007 in words is "fifty-seven million, four hundred forty-nine thousand, seven".

Divisors: 1 3 7 9 11 21 27 33 61 63 77 81 99 151 183 189 231 297 427 453 549 567 671 693 891 1057 1281 1359 1647 1661 2013 2079 3171 3843 4077 4697 4941 4983 6039 6237 9211 9513 11529 11627 12231 14091 14949 18117 27633 28539 34587 34881 42273 44847 54351 64477 82899 85617 101321 104643 126819 134541 193431 248697 303963 313929 380457 580293 709247 746091 911889 941787 1740879 2127741 2735667 5222637 6383223 8207001 19149669 57449007