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238941 = 32139191
BaseRepresentation
bin111010010101011101
3110010202200
4322111131
530121231
65042113
72013423
oct722535
9403680
10238941
1115357a
12b6339
13849b1
1463113
154abe6
hex3a55d

238941 has 12 divisors (see below), whose sum is σ = 349440. Its totient is φ = 157320.

The previous prime is 238939. The next prime is 238943. The reversal of 238941 is 149832.

It is an interprime number because it is at equal distance from previous prime (238939) and next prime (238943).

It is not a de Polignac number, because 238941 - 21 = 238939 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238943) 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 11 ways as a sum of consecutive naturals, for example, 1156 + ... + 1346.

It is an arithmetic number, because the mean of its divisors is an integer number (29120).

2238941 is an apocalyptic number.

It is an amenable number.

238941 is a deficient number, since it is larger than the sum of its proper divisors (110499).

238941 is a wasteful number, since it uses less digits than its factorization.

238941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 333 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 238941 is about 488.8159162711. The cubic root of 238941 is about 62.0531109250.

The spelling of 238941 in words is "two hundred thirty-eight thousand, nine hundred forty-one".

Divisors: 1 3 9 139 191 417 573 1251 1719 26549 79647 238941