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455111120 = 24523247343
BaseRepresentation
bin11011001000000…
…111000111010000
31011201101001002102
4123020013013100
51413002023440
6113054335532
714164244402
oct3310070720
91151331072
10455111120
112139977a2
121084ba5a8
1373399229
144462cb72
1529e4cb15
hex1b2071d0

455111120 has 40 divisors (see below), whose sum is σ = 1104143616. Its totient is φ = 174128768.

The previous prime is 455111119. The next prime is 455111141. The reversal of 455111120 is 21111554.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×4551111202 = 414252263095308800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 455111092 and 455111101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121832 + ... + 125511.

Almost surely, 2455111120 is an apocalyptic number.

455111120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455111120 is an abundant number, since it is smaller than the sum of its proper divisors (649032496).

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

455111120 is a wasteful number, since it uses less digits than its factorization.

455111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247379 (or 247373 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 455111120 is about 21333.3335416667. Note that the first 3 decimals coincide. The cubic root of 455111120 is about 769.1997758384.

Adding to 455111120 its reverse (21111554), we get a palindrome (476222674).

The spelling of 455111120 in words is "four hundred fifty-five million, one hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 230 368 460 920 1840 247343 494686 989372 1236715 1978744 2473430 3957488 4946860 5688889 9893720 11377778 19787440 22755556 28444445 45511112 56888890 91022224 113777780 227555560 455111120