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38869144 = 234858643
BaseRepresentation
bin1001010001000…
…1100010011000
32201010202102221
42110101202120
534422303034
63505033424
7651245056
oct224214230
981122387
1038869144
111aa38a66
1211025874
13808bbc2
14523b1d6
15362bbb4
hex2511898

38869144 has 8 divisors (see below), whose sum is σ = 72879660. Its totient is φ = 19434568.

The previous prime is 38869109. The next prime is 38869169. The reversal of 38869144 is 44196883.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 38869144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2429314 + ... + 2429329.

Almost surely, 238869144 is an apocalyptic number.

It is an amenable number.

38869144 is a deficient number, since it is larger than the sum of its proper divisors (34010516).

38869144 is a wasteful number, since it uses less digits than its factorization.

38869144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858649 (or 4858645 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 38869144 is about 6234.5123305676. The cubic root of 38869144 is about 338.7414369463.

The spelling of 38869144 in words is "thirty-eight million, eight hundred sixty-nine thousand, one hundred forty-four".

Divisors: 1 2 4 8 4858643 9717286 19434572 38869144