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162040272 = 24310930971
BaseRepresentation
bin10011010100010…
…00100111010000
3102021220111110120
421222020213100
5312440242042
624025030240
74005214422
oct1152104720
9367814416
10162040272
1183516289
1246325380
1327756324
1417740812
15e35bdec
hex9a889d0

162040272 has 40 divisors (see below), whose sum is σ = 422458080. Its totient is φ = 53516160.

The previous prime is 162040271. The next prime is 162040283. The reversal of 162040272 is 272040261.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162040271) 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, 10254 + ... + 20717.

It is an arithmetic number, because the mean of its divisors is an integer number (10561452).

Almost surely, 2162040272 is an apocalyptic number.

162040272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162040272 is an abundant number, since it is smaller than the sum of its proper divisors (260417808).

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

162040272 is a wasteful number, since it uses less digits than its factorization.

162040272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31091 (or 31085 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 162040272 is about 12729.5039966214. The cubic root of 162040272 is about 545.1813463789.

The spelling of 162040272 in words is "one hundred sixty-two million, forty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 109 218 327 436 654 872 1308 1744 2616 5232 30971 61942 92913 123884 185826 247768 371652 495536 743304 1486608 3375839 6751678 10127517 13503356 20255034 27006712 40510068 54013424 81020136 162040272