Base | Representation |
---|---|
bin | 1100010100111… |
… | …00001011011010 |
3 | 21012120021100100 |
4 | 12022130023122 |
5 | 202432301104 |
6 | 14132120230 |
7 | 2363613114 |
oct | 612341332 |
9 | 235507310 |
10 | 103400154 |
11 | 53404080 |
12 | 2a766076 |
13 | 18564330 |
14 | da383b4 |
15 | 9127139 |
hex | 629c2da |
103400154 has 144 divisors (see below), whose sum is σ = 281604960. Its totient is φ = 27025920.
The previous prime is 103400153. The next prime is 103400161. The reversal of 103400154 is 451004301.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103400153) 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 71 ways as a sum of consecutive naturals, for example, 743817 + ... + 743955.
It is an arithmetic number, because the mean of its divisors is an integer number (1955590).
Almost surely, 2103400154 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 103400154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140802480).
103400154 is an abundant number, since it is smaller than the sum of its proper divisors (178204806).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103400154 is a wasteful number, since it uses less digits than its factorization.
103400154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205 (or 185 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 103400154 is about 10168.5866274522. The cubic root of 103400154 is about 469.3610663162.
Adding to 103400154 its reverse (451004301), we get a palindrome (554404455).
The spelling of 103400154 in words is "one hundred three million, four hundred thousand, one hundred fifty-four".
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