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1454121444 = 223193627859
BaseRepresentation
bin101011010101100…
…0010000111100100
310202100012000121210
41112223002013210
510434223341234
6400142511420
751014554056
oct12653020744
93670160553
101454121444
116868a4a66
12346b95570
131a234aab9
14db19d8d6
15879d5be9
hex56ac21e4

1454121444 has 24 divisors (see below), whose sum is σ = 3410535520. Its totient is φ = 482194944.

The previous prime is 1454121421. The next prime is 1454121463. The reversal of 1454121444 is 4441214541.

It is a super-2 number, since 2×14541214442 = 4228938347801290272, which contains 22 as substring.

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, 311614 + ... + 316245.

Almost surely, 21454121444 is an apocalyptic number.

It is an amenable number.

1454121444 is an abundant number, since it is smaller than the sum of its proper divisors (1956414076).

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

1454121444 is a wasteful number, since it uses less digits than its factorization.

1454121444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628059 (or 628057 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 1454121444 is about 38132.9443395078. The cubic root of 1454121444 is about 1132.9225634399.

Adding to 1454121444 its reverse (4441214541), we get a palindrome (5895335985).

The spelling of 1454121444 in words is "one billion, four hundred fifty-four million, one hundred twenty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 193 386 579 772 1158 2316 627859 1255718 1883577 2511436 3767154 7534308 121176787 242353574 363530361 484707148 727060722 1454121444