Base | Representation |
---|---|
bin | 101011110111110… |
… | …1100101001010111 |
3 | 10210121001111221222 |
4 | 1113233230221113 |
5 | 11003330341211 |
6 | 402024400555 |
7 | 51323553134 |
oct | 12757545127 |
9 | 3717044858 |
10 | 1472121431 |
11 | 695a79690 |
12 | 35101615b |
13 | 1a5cb0a91 |
14 | dd72758b |
15 | 8938e1db |
hex | 57beca57 |
1472121431 has 16 divisors (see below), whose sum is σ = 1630368000. Its totient is φ = 1318000320.
The previous prime is 1472121419. The next prime is 1472121439. The reversal of 1472121431 is 1341212741.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1472121431 is a prime.
It is a super-2 number, since 2×14721214312 = 4334283015218975522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1472121431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1472121439) 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, 981320 + ... + 982818.
It is an arithmetic number, because the mean of its divisors is an integer number (101898000).
Almost surely, 21472121431 is an apocalyptic number.
1472121431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1472121431 is a deficient number, since it is larger than the sum of its proper divisors (158246569).
1472121431 is a wasteful number, since it uses less digits than its factorization.
1472121431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2806.
The product of its digits is 1344, while the sum is 26.
The square root of 1472121431 is about 38368.2346609796. The cubic root of 1472121431 is about 1137.5780712989.
The spelling of 1472121431 in words is "one billion, four hundred seventy-two million, one hundred twenty-one thousand, four hundred thirty-one".
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