Base | Representation |
---|---|
bin | 10010011010110… |
… | …00111011000100 |
3 | 101202201122212201 |
4 | 21031120323010 |
5 | 304023124100 |
6 | 23155324244 |
7 | 3554161414 |
oct | 1115307304 |
9 | 352648781 |
10 | 154504900 |
11 | 7a239900 |
12 | 438b0684 |
13 | 26018524 |
14 | 1673c644 |
15 | d86e36a |
hex | 9358ec4 |
154504900 has 81 divisors (see below), whose sum is σ = 371816263. Its totient is φ = 55686400.
The previous prime is 154504879. The next prime is 154504907. The reversal of 154504900 is 9405451.
The square root of 154504900 is 12430.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 78605956 + 75898944 = 8866^2 + 8712^2 .
It is a super-4 number, since 4×1545049004 (a number of 34 digits) contains 4444 as substring.
It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (154504907) 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 26 ways as a sum of consecutive naturals, for example, 1367244 + ... + 1367356.
Almost surely, 2154504900 is an apocalyptic number.
154504900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
154504900 is the 12430-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 154504900
154504900 is an abundant number, since it is smaller than the sum of its proper divisors (217311363).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154504900 is a wasteful number, since it uses less digits than its factorization.
154504900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 262 (or 131 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 28.
The cubic root of 154504900 is about 536.5959853589.
Multiplying 154504900 by its product of nonzero digits (3600), we get a square (556217640000 = 7458002).
The spelling of 154504900 in words is "one hundred fifty-four million, five hundred four thousand, nine hundred".
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