Search a number
-
+
154032330 = 23567197389
BaseRepresentation
bin10010010111001…
…01100011001010
3101201211122122010
421023211203022
5303413013310
623141240350
73550152564
oct1113454312
9351748563
10154032330
1179a46851
12437030b6
1325bb13ba
1416658334
15d7c9320
hex92e58ca

154032330 has 64 divisors (see below), whose sum is σ = 378069120. Its totient is φ = 40153344.

The previous prime is 154032323. The next prime is 154032341. The reversal of 154032330 is 33230451.

It is a junction number, because it is equal to n+sod(n) for n = 154032297 and 154032306.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 395776 + ... + 396164.

It is an arithmetic number, because the mean of its divisors is an integer number (5907330).

Almost surely, 2154032330 is an apocalyptic number.

154032330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 154032330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189034560).

154032330 is an abundant number, since it is smaller than the sum of its proper divisors (224036790).

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

154032330 is a wasteful number, since it uses less digits than its factorization.

154032330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 154032330 is about 12410.9761904534. The cubic root of 154032330 is about 536.0483476289.

Adding to 154032330 its reverse (33230451), we get a palindrome (187262781).

The spelling of 154032330 in words is "one hundred fifty-four million, thirty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 67 134 197 201 335 389 394 402 591 670 778 985 1005 1167 1182 1945 1970 2010 2334 2955 3890 5835 5910 11670 13199 26063 26398 39597 52126 65995 76633 78189 79194 130315 131990 153266 156378 197985 229899 260630 383165 390945 395970 459798 766330 781890 1149495 2298990 5134411 10268822 15403233 25672055 30806466 51344110 77016165 154032330