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38661468 = 22317189517
BaseRepresentation
bin1001001101111…
…0110101011100
32200202012120020
42103132311130
534344131333
63500352140
7646421436
oct223366534
980665506
1038661468
111a906a2a
1210b45650
138018511
1451c5656
1535da3b3
hex24ded5c

38661468 has 24 divisors (see below), whose sum is σ = 95517072. Its totient is φ = 12129024.

The previous prime is 38661463. The next prime is 38661473. The reversal of 38661468 is 86416683.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38661463) and next prime (38661473).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38661463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94555 + ... + 94962.

It is an arithmetic number, because the mean of its divisors is an integer number (3979878).

Almost surely, 238661468 is an apocalyptic number.

It is an amenable number.

38661468 is an abundant number, since it is smaller than the sum of its proper divisors (56855604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38661468 is a wasteful number, since it uses less digits than its factorization.

38661468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189541 (or 189539 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 38661468 is about 6217.8346713305. The cubic root of 38661468 is about 338.1370661254.

The spelling of 38661468 in words is "thirty-eight million, six hundred sixty-one thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 189517 379034 568551 758068 1137102 2274204 3221789 6443578 9665367 12887156 19330734 38661468