Search a number
-
+
38974942 = 243453197
BaseRepresentation
bin1001010010101…
…1010111011110
32201100010120101
42110223113132
534434144232
63511211314
7652165366
oct224532736
981303511
1038974942
11200004a6
1211076b3a
1380c80c6
1452679a6
15364d1e7
hex252b5de

38974942 has 8 divisors (see below), whose sum is σ = 59822136. Its totient is φ = 19034232.

The previous prime is 38974937. The next prime is 38974951. The reversal of 38974942 is 24947983.

It is a happy number.

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

It is a super-2 number, since 2×389749422 = 3038092207806728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38974892 and 38974901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226513 + ... + 226684.

It is an arithmetic number, because the mean of its divisors is an integer number (7477767).

Almost surely, 238974942 is an apocalyptic number.

38974942 is a deficient number, since it is larger than the sum of its proper divisors (20847194).

38974942 is a wasteful number, since it uses less digits than its factorization.

38974942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453242.

The product of its digits is 435456, while the sum is 46.

The square root of 38974942 is about 6242.9914303962. The cubic root of 38974942 is about 339.0484988463.

The spelling of 38974942 in words is "thirty-eight million, nine hundred seventy-four thousand, nine hundred forty-two".

Divisors: 1 2 43 86 453197 906394 19487471 38974942