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380012238 = 23221111791
BaseRepresentation
bin10110101001101…
…000011011001110
3222111001121210100
4112221220123032
51234240342423
6101412551530
712263023254
oct2651503316
9874047710
10380012238
11185563901
12a73225a6
1360963918
14386805d4
1523566343
hex16a686ce

380012238 has 12 divisors (see below), whose sum is σ = 823359888. Its totient is φ = 126670740.

The previous prime is 380012221. The next prime is 380012251. The reversal of 380012238 is 832210083.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10555878 + ... + 10555913.

It is an arithmetic number, because the mean of its divisors is an integer number (68613324).

Almost surely, 2380012238 is an apocalyptic number.

380012238 is an abundant number, since it is smaller than the sum of its proper divisors (443347650).

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

380012238 is a wasteful number, since it uses less digits than its factorization.

380012238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21111799 (or 21111796 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 380012238 is about 19493.9025851675. The cubic root of 380012238 is about 724.3234198527.

The spelling of 380012238 in words is "three hundred eighty million, twelve thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 21111791 42223582 63335373 126670746 190006119 380012238