Base | Representation |
---|---|
bin | 10001010100111… |
… | …10001110010010 |
3 | 101010111121212111 |
4 | 20222132032102 |
5 | 244202222240 |
6 | 22231215534 |
7 | 3413316340 |
oct | 1052361622 |
9 | 333447774 |
10 | 145351570 |
11 | 75057871 |
12 | 408175aa |
13 | 24162160 |
14 | 15438990 |
15 | cb621ea |
hex | 8a9e392 |
145351570 has 64 divisors (see below), whose sum is σ = 323963136. Its totient is φ = 45722880.
The previous prime is 145351537. The next prime is 145351571. The reversal of 145351570 is 75153541.
It is a super-2 number, since 2×1453515702 = 42254157802929800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145351571) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191632 + ... + 192388.
It is an arithmetic number, because the mean of its divisors is an integer number (5061924).
Almost surely, 2145351570 is an apocalyptic number.
145351570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145351570 is an abundant number, since it is smaller than the sum of its proper divisors (178611566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145351570 is a wasteful number, since it uses less digits than its factorization.
145351570 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 995.
The product of its (nonzero) digits is 10500, while the sum is 31.
The square root of 145351570 is about 12056.1838904356. The cubic root of 145351570 is about 525.7830431423.
The spelling of 145351570 in words is "one hundred forty-five million, three hundred fifty-one thousand, five hundred seventy".
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