Base | Representation |
---|---|
bin | 10010000101101… |
… | …01111001110100 |
3 | 101120112012011202 |
4 | 21002311321310 |
5 | 302321140040 |
6 | 23020152032 |
7 | 3521524505 |
oct | 1102657164 |
9 | 346465152 |
10 | 151740020 |
11 | 78720583 |
12 | 42998618 |
13 | 2558abc3 |
14 | 1621cbac |
15 | d4c5015 |
hex | 90b5e74 |
151740020 has 12 divisors (see below), whose sum is σ = 318654084. Its totient is φ = 60696000.
The previous prime is 151739983. The next prime is 151740031. The reversal of 151740020 is 20047151.
151740020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 94556176 + 57183844 = 9724^2 + 7562^2 .
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 7587001 = 151740020 / (1 + 5 + 1 + 7 + 4 + 0 + 0 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 151739974 and 151740001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3793481 + ... + 3793520.
It is an arithmetic number, because the mean of its divisors is an integer number (26554507).
Almost surely, 2151740020 is an apocalyptic number.
151740020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
151740020 is an abundant number, since it is smaller than the sum of its proper divisors (166914064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151740020 is a wasteful number, since it uses less digits than its factorization.
151740020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7587010 (or 7587008 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 20.
The square root of 151740020 is about 12318.2799123904. The cubic root of 151740020 is about 533.3758880975.
Adding to 151740020 its reverse (20047151), we get a palindrome (171787171).
The spelling of 151740020 in words is "one hundred fifty-one million, seven hundred forty thousand, twenty".
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