Base | Representation |
---|---|
bin | 10010100010000… |
… | …11001101000000 |
3 | 101211112102012220 |
4 | 21101003031000 |
5 | 304244331022 |
6 | 23232051040 |
7 | 3565266210 |
oct | 1121031500 |
9 | 354472186 |
10 | 155464512 |
11 | 7a834875 |
12 | 44093a80 |
13 | 26293248 |
14 | 1690c240 |
15 | d9ad85c |
hex | 9443340 |
155464512 has 112 divisors (see below), whose sum is σ = 474220032. Its totient is φ = 44029440.
The previous prime is 155464499. The next prime is 155464513. The reversal of 155464512 is 215464551.
It is a tau number, because it is divible by the number of its divisors (112).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155464513) 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, 175623 + ... + 176505.
Almost surely, 2155464512 is an apocalyptic number.
155464512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 155464512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237110016).
155464512 is an abundant number, since it is smaller than the sum of its proper divisors (318755520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155464512 is a wasteful number, since it uses less digits than its factorization.
155464512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1036 (or 1026 counting only the distinct ones).
The product of its digits is 24000, while the sum is 33.
The square root of 155464512 is about 12468.5408929834. The cubic root of 155464512 is about 537.7046051409.
It can be divided in two parts, 1554 and 64512, that added together give a palindrome (66066).
The spelling of 155464512 in words is "one hundred fifty-five million, four hundred sixty-four thousand, five hundred twelve".
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