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38119988 = 229529997
BaseRepresentation
bin1001000101101…
…0101000110100
32122201200210102
42101122220310
534224314423
63441013232
7642004664
oct221325064
978650712
1038119988
111a577125
1210924218
137b88c0a
1450c41a4
15352ec28
hex245aa34

38119988 has 6 divisors (see below), whose sum is σ = 66709986. Its totient is φ = 19059992.

The previous prime is 38119981. The next prime is 38119997. The reversal of 38119988 is 88991183.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36626704 + 1493284 = 6052^2 + 1222^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38119981) 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 as a sum of consecutive naturals, namely, 4764995 + ... + 4765002.

It is an arithmetic number, because the mean of its divisors is an integer number (11118331).

Almost surely, 238119988 is an apocalyptic number.

It is an amenable number.

38119988 is a deficient number, since it is larger than the sum of its proper divisors (28589998).

38119988 is a wasteful number, since it uses less digits than its factorization.

38119988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9530001 (or 9529999 counting only the distinct ones).

The product of its digits is 124416, while the sum is 47.

The square root of 38119988 is about 6174.1386443779. The cubic root of 38119988 is about 336.5510256472.

The spelling of 38119988 in words is "thirty-eight million, one hundred nineteen thousand, nine hundred eighty-eight".

Divisors: 1 2 4 9529997 19059994 38119988