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154031332 = 22713243757
BaseRepresentation
bin10010010111001…
…01010011100100
3101201211121021011
421023211103210
5303413000312
623141232004
73550146640
oct1113452344
9351747234
10154031332
1179a46024
1243702604
1325bb0b00
1416657c20
15d7c8da7
hex92e54e4

154031332 has 72 divisors (see below), whose sum is σ = 341791296. Its totient is φ = 59439744.

The previous prime is 154031329. The next prime is 154031351. The reversal of 154031332 is 233130451.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 203098 + ... + 203854.

Almost surely, 2154031332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154031332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170895648).

154031332 is an abundant number, since it is smaller than the sum of its proper divisors (187759964).

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

154031332 is a wasteful number, since it uses less digits than its factorization.

154031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 154031332 is about 12410.9359840425. The cubic root of 154031332 is about 536.0471899122.

Adding to 154031332 its reverse (233130451), we get a palindrome (387161783).

The spelling of 154031332 in words is "one hundred fifty-four million, thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 7 13 14 26 28 43 52 86 91 169 172 182 301 338 364 559 602 676 757 1118 1183 1204 1514 2236 2366 3028 3913 4732 5299 7267 7826 9841 10598 14534 15652 19682 21196 29068 32551 39364 50869 65102 68887 101738 127933 130204 137774 203476 227857 255866 275548 423163 455714 511732 846326 895531 911428 1692652 1791062 2962141 3582124 5501119 5924282 11002238 11848564 22004476 38507833 77015666 154031332