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455400121 = 11281147331
BaseRepresentation
bin11011001001001…
…101101010111001
31011201220201112011
4123021031222321
51413040300441
6113104445521
714166560101
oct3311155271
91151821464
10455400121
11214074940
121086198a1
137346a937
14446a6201
1529ea8581
hex1b24dab9

455400121 has 8 divisors (see below), whose sum is σ = 498571488. Its totient is φ = 412524000.

The previous prime is 455400109. The next prime is 455400133. The reversal of 455400121 is 121004554.

It is an interprime number because it is at equal distance from previous prime (455400109) and next prime (455400133).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 455400121 - 25 = 455400089 is a prime.

It is a super-3 number, since 3×4554001213 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 455400092 and 455400101.

It is not an unprimeable number, because it can be changed into a prime (455404121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70575 + ... + 76756.

It is an arithmetic number, because the mean of its divisors is an integer number (62321436).

Almost surely, 2455400121 is an apocalyptic number.

It is an amenable number.

455400121 is a deficient number, since it is larger than the sum of its proper divisors (43171367).

455400121 is a wasteful number, since it uses less digits than its factorization.

455400121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147623.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 455400121 is about 21340.1059275721. The cubic root of 455400121 is about 769.3625584037.

Adding to 455400121 its reverse (121004554), we get a palindrome (576404675).

The spelling of 455400121 in words is "four hundred fifty-five million, four hundred thousand, one hundred twenty-one".

Divisors: 1 11 281 3091 147331 1620641 41400011 455400121