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455005040 = 2457672181
BaseRepresentation
bin11011000111101…
…101001101110000
31011201011122120112
4123013231031300
51412440130130
6113052200452
714163323210
oct3307551560
91151148515
10455005040
11213925026
12108469128
137335cb69
1444602240
1529e2b495
hex1b1ed370

455005040 has 120 divisors (see below), whose sum is σ = 1234108512. Its totient is φ = 152824320.

The previous prime is 455005037. The next prime is 455005043. The reversal of 455005040 is 40500554.

It is an interprime number because it is at equal distance from previous prime (455005037) and next prime (455005043).

It is a junction number, because it is equal to n+sod(n) for n = 455004997 and 455005015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455005043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2513750 + ... + 2513930.

Almost surely, 2455005040 is an apocalyptic number.

455005040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455005040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617054256).

455005040 is an abundant number, since it is smaller than the sum of its proper divisors (779103472).

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

455005040 is a wasteful number, since it uses less digits than its factorization.

455005040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 455005040 is about 21330.8471467966. The cubic root of 455005040 is about 769.1400079787.

Adding to 455005040 its reverse (40500554), we get a palindrome (495505594).

The spelling of 455005040 in words is "four hundred fifty-five million, five thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 67 70 80 112 134 140 181 268 280 335 362 469 536 560 670 724 905 938 1072 1267 1340 1448 1810 1876 2345 2534 2680 2896 3620 3752 4489 4690 5068 5360 6335 7240 7504 8978 9380 10136 12127 12670 14480 17956 18760 20272 22445 24254 25340 31423 35912 37520 44890 48508 50680 60635 62846 71824 84889 89780 97016 101360 121270 125692 157115 169778 179560 194032 242540 251384 314230 339556 359120 424445 485080 502768 628460 679112 812509 848890 970160 1256920 1358224 1625018 1697780 2513840 3250036 3395560 4062545 5687563 6500072 6791120 8125090 11375126 13000144 16250180 22750252 28437815 32500360 45500504 56875630 65000720 91001008 113751260 227502520 455005040