Search a number
-
+
154214125 = 5313432207
BaseRepresentation
bin10010011000100…
…01111011101101
3101202011220000021
421030101323231
5303434323000
623145202141
73551540602
oct1114217355
9352156007
10154214125
117a06039a
1243790351
1325c46080
14166a46a9
15d81311a
hex9311eed

154214125 has 32 divisors (see below), whose sum is σ = 212179968. Its totient is φ = 111182400.

The previous prime is 154214111. The next prime is 154214129. The reversal of 154214125 is 521412451.

It is not a de Polignac number, because 154214125 - 221 = 152116973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 154214125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154214129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68772 + ... + 70978.

It is an arithmetic number, because the mean of its divisors is an integer number (6630624).

Almost surely, 2154214125 is an apocalyptic number.

It is an amenable number.

154214125 is a deficient number, since it is larger than the sum of its proper divisors (57965843).

154214125 is a wasteful number, since it uses less digits than its factorization.

154214125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278 (or 2268 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 154214125 is about 12418.2979912708. The cubic root of 154214125 is about 536.2591531484.

Adding to 154214125 its reverse (521412451), we get a palindrome (675626576).

The spelling of 154214125 in words is "one hundred fifty-four million, two hundred fourteen thousand, one hundred twenty-five".

Divisors: 1 5 13 25 43 65 125 215 325 559 1075 1625 2207 2795 5375 11035 13975 28691 55175 69875 94901 143455 275875 474505 717275 1233713 2372525 3586375 6168565 11862625 30842825 154214125