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154412330 = 2589173497
BaseRepresentation
bin10010011010000…
…10010100101010
3101202112221220012
421031002110222
5304012143310
623153331522
73553324502
oct1115022452
9352487805
10154412330
117a1862a6
1243866ba2
1325cb5357
1416716a02
15d851c05
hex934252a

154412330 has 16 divisors (see below), whose sum is σ = 281066760. Its totient is φ = 61070592.

The previous prime is 154412303. The next prime is 154412339. The reversal of 154412330 is 33214451.

It can be written as a sum of positive squares in 4 ways, for example, as 142014889 + 12397441 = 11917^2 + 3521^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154412296 and 154412305.

It is not an unprimeable number, because it can be changed into a prime (154412339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85859 + ... + 87638.

Almost surely, 2154412330 is an apocalyptic number.

154412330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154412330 is a deficient number, since it is larger than the sum of its proper divisors (126654430).

154412330 is a wasteful number, since it uses less digits than its factorization.

154412330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173593.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 154412330 is about 12426.2757896322. The cubic root of 154412330 is about 536.4887986528.

Adding to 154412330 its reverse (33214451), we get a palindrome (187626781).

It can be divided in two parts, 15441 and 2330, that added together give a palindrome (17771).

The spelling of 154412330 in words is "one hundred fifty-four million, four hundred twelve thousand, three hundred thirty".

Divisors: 1 2 5 10 89 178 445 890 173497 346994 867485 1734970 15441233 30882466 77206165 154412330