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162420356 = 2275800727
BaseRepresentation
bin10011010111001…
…01011010000100
3102022121210211202
421223211122010
5313034422411
624041122032
74011356510
oct1153453204
9368553752
10162420356
11837558aa
1246489318
132785a327
14177dd140
15e3d483b
hex9ae5684

162420356 has 12 divisors (see below), whose sum is σ = 324840768. Its totient is φ = 69608712.

The previous prime is 162420299. The next prime is 162420361. The reversal of 162420356 is 653024261.

162420356 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 2900336 + ... + 2900391.

It is an arithmetic number, because the mean of its divisors is an integer number (27070064).

Almost surely, 2162420356 is an apocalyptic number.

It is an amenable number.

162420356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

162420356 is a wasteful number, since it uses less digits than its factorization.

162420356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800738 (or 5800736 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 162420356 is about 12744.4245064263. The cubic root of 162420356 is about 545.6072752747.

The spelling of 162420356 in words is "one hundred sixty-two million, four hundred twenty thousand, three hundred fifty-six".

Divisors: 1 2 4 7 14 28 5800727 11601454 23202908 40605089 81210178 162420356