Base | Representation |
---|---|
bin | 101011010101011… |
… | …0110000011000111 |
3 | 10202100002111210210 |
4 | 1112222312003013 |
5 | 10434220301012 |
6 | 400141450503 |
7 | 51014256663 |
oct | 12652660307 |
9 | 3670074723 |
10 | 1454072007 |
11 | 686870903 |
12 | 346b70a33 |
13 | 1a233144b |
14 | db1898a3 |
15 | 879c623c |
hex | 56ab60c7 |
1454072007 has 16 divisors (see below), whose sum is σ = 1953675360. Its totient is φ = 961948800.
The previous prime is 1454071951. The next prime is 1454072023. The reversal of 1454072007 is 7002704541.
It is not a de Polignac number, because 1454072007 - 224 = 1437294791 is a prime.
It is a super-2 number, since 2×14540720072 = 4228650803082016098, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1454072057) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273757 + ... + 279017.
It is an arithmetic number, because the mean of its divisors is an integer number (122104710).
Almost surely, 21454072007 is an apocalyptic number.
1454072007 is a deficient number, since it is larger than the sum of its proper divisors (499603353).
1454072007 is a wasteful number, since it uses less digits than its factorization.
1454072007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5954.
The product of its (nonzero) digits is 7840, while the sum is 30.
The square root of 1454072007 is about 38132.2961149732. The cubic root of 1454072007 is about 1132.9097243179.
Adding to 1454072007 its reverse (7002704541), we get a palindrome (8456776548).
The spelling of 1454072007 in words is "one billion, four hundred fifty-four million, seventy-two thousand, seven".
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