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154512030 = 23547109583
BaseRepresentation
bin10010011010110…
…10101010011110
3101202202000122210
421031122222132
5304023341110
623155421250
73554221251
oct1115325236
9352660583
10154512030
117a2441a2
12438b4826
132601b84a
1416741098
15d871520
hex935aa9e

154512030 has 32 divisors (see below), whose sum is σ = 378722304. Its totient is φ = 40326176.

The previous prime is 154512023. The next prime is 154512097. The reversal of 154512030 is 30215451.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154511988 and 154512006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53382 + ... + 56201.

It is an arithmetic number, because the mean of its divisors is an integer number (11835072).

Almost surely, 2154512030 is an apocalyptic number.

154512030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154512030 is an abundant number, since it is smaller than the sum of its proper divisors (224210274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154512030 is a wasteful number, since it uses less digits than its factorization.

154512030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109640.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 154512030 is about 12430.2868028055. The cubic root of 154512030 is about 536.6042394025.

Adding to 154512030 its reverse (30215451), we get a palindrome (184727481).

The spelling of 154512030 in words is "one hundred fifty-four million, five hundred twelve thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 109583 219166 328749 547915 657498 1095830 1643745 3287490 5150401 10300802 15451203 25752005 30902406 51504010 77256015 154512030