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162130452 = 2231110112161
BaseRepresentation
bin10011010100111…
…10101000010100
3102022002002011120
421222132220110
5313001133302
624031003540
74006041351
oct1152365024
9368062146
10162130452
1183578010
12463695b0
13277883a3
1417765628
15e3789bc
hex9a9ea14

162130452 has 48 divisors (see below), whose sum is σ = 416816064. Its totient is φ = 48640000.

The previous prime is 162130399. The next prime is 162130453. The reversal of 162130452 is 254031261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162130453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7252 + ... + 19412.

It is an arithmetic number, because the mean of its divisors is an integer number (8683668).

Almost surely, 2162130452 is an apocalyptic number.

162130452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162130452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208408032).

162130452 is an abundant number, since it is smaller than the sum of its proper divisors (254685612).

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

162130452 is a wasteful number, since it uses less digits than its factorization.

162130452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12280 (or 12278 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 162130452 is about 12733.0456686529. The cubic root of 162130452 is about 545.2824639089.

The spelling of 162130452 in words is "one hundred sixty-two million, one hundred thirty thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 101 132 202 303 404 606 1111 1212 2222 3333 4444 6666 12161 13332 24322 36483 48644 72966 133771 145932 267542 401313 535084 802626 1228261 1605252 2456522 3684783 4913044 7369566 13510871 14739132 27021742 40532613 54043484 81065226 162130452