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20120162 = 228135801
BaseRepresentation
bin100110011000…
…0001001100010
31101212012200012
41030300021202
520122321122
61555124522
7333006236
oct114601142
941765605
1020120162
11103a2637
1268a3742
13422602a
14295a5c6
151b767e2
hex1330262

20120162 has 8 divisors (see below), whose sum is σ = 30288492. Its totient is φ = 10024000.

The previous prime is 20120161. The next prime is 20120189. The reversal of 20120162 is 26102102.

It can be written as a sum of positive squares in 2 ways, for example, as 19989841 + 130321 = 4471^2 + 361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20120161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17339 + ... + 18462.

Almost surely, 220120162 is an apocalyptic number.

20120162 is a deficient number, since it is larger than the sum of its proper divisors (10168330).

20120162 is a wasteful number, since it uses less digits than its factorization.

20120162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36084.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20120162 is about 4485.5503564223. The cubic root of 20120162 is about 271.9842929944.

Adding to 20120162 its reverse (26102102), we get a palindrome (46222264).

The spelling of 20120162 in words is "twenty million, one hundred twenty thousand, one hundred sixty-two".

Divisors: 1 2 281 562 35801 71602 10060081 20120162