Base | Representation |
---|---|
bin | 10010010000111… |
… | …01001110110110 |
3 | 101200021222010020 |
4 | 21020131032312 |
5 | 303210234310 |
6 | 23111510010 |
7 | 3540164502 |
oct | 1110351666 |
9 | 350258106 |
10 | 153211830 |
11 | 79536352 |
12 | 43388306 |
13 | 25984ab5 |
14 | 164c3302 |
15 | d6b6170 |
hex | 921d3b6 |
153211830 has 16 divisors (see below), whose sum is σ = 367708464. Its totient is φ = 40856480.
The previous prime is 153211813. The next prime is 153211847. The reversal of 153211830 is 38112351.
153211830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (153211813) and next prime (153211847).
It is a self number, because there is not a number n which added to its sum of digits gives 153211830.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2553501 + ... + 2553560.
It is an arithmetic number, because the mean of its divisors is an integer number (22981779).
Almost surely, 2153211830 is an apocalyptic number.
153211830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
153211830 is an abundant number, since it is smaller than the sum of its proper divisors (214496634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153211830 is a wasteful number, since it uses less digits than its factorization.
153211830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5107071.
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 153211830 is about 12377.8766353523. The cubic root of 153211830 is about 535.0948444539.
It can be divided in two parts, 15 and 3211830, that added together give a triangular number (3211845 = T2534).
The spelling of 153211830 in words is "one hundred fifty-three million, two hundred eleven thousand, eight hundred thirty".
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