Base | Representation |
---|---|
bin | 10001010100111… |
… | …10110100101111 |
3 | 101010111202020122 |
4 | 20222132310233 |
5 | 244202312111 |
6 | 22231235155 |
7 | 3413326454 |
oct | 1052366457 |
9 | 333452218 |
10 | 145354031 |
11 | 750596a9 |
12 | 40818abb |
13 | 24163304 |
14 | 1543982b |
15 | cb62cdb |
hex | 8a9ed2f |
145354031 has 2 divisors, whose sum is σ = 145354032. Its totient is φ = 145354030.
The previous prime is 145353991. The next prime is 145354057. The reversal of 145354031 is 130453541.
It is an a-pointer prime, because the next prime (145354057) can be obtained adding 145354031 to its sum of digits (26).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 145354031 - 210 = 145353007 is a prime.
It is a super-2 number, since 2×1453540312 = 42255588655897922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145357031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72677015 + 72677016.
It is an arithmetic number, because the mean of its divisors is an integer number (72677016).
Almost surely, 2145354031 is an apocalyptic number.
145354031 is a deficient number, since it is larger than the sum of its proper divisors (1).
145354031 is an equidigital number, since it uses as much as digits as its factorization.
145354031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 145354031 is about 12056.2859538085. The cubic root of 145354031 is about 525.7860105332.
The spelling of 145354031 in words is "one hundred forty-five million, three hundred fifty-four thousand, thirty-one".
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