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38711982 = 236451997
BaseRepresentation
bin1001001110101…
…1001010101110
32200211202212010
42103223022232
534402240412
63501422050
7650021631
oct223531256
980752763
1038711982
111a940981
1210b6a926
1380354ca
1451d9c18
1535ea33c
hex24eb2ae

38711982 has 8 divisors (see below), whose sum is σ = 77423976. Its totient is φ = 12903992.

The previous prime is 38711977. The next prime is 38711983. The reversal of 38711982 is 28911783.

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

38711982 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 38711982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38711983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225993 + ... + 3226004.

It is an arithmetic number, because the mean of its divisors is an integer number (9677997).

Almost surely, 238711982 is an apocalyptic number.

38711982 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.

38711982 is a wasteful number, since it uses less digits than its factorization.

38711982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452002.

The product of its digits is 24192, while the sum is 39.

The square root of 38711982 is about 6221.8953703835. The cubic root of 38711982 is about 338.2842688658.

It can be divided in two parts, 38711 and 982, that added together give a palindrome (39693).

The spelling of 38711982 in words is "thirty-eight million, seven hundred eleven thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 6451997 12903994 19355991 38711982