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38424408 = 23311145547
BaseRepresentation
bin1001001010010…
…0111101011000
32200022011101020
42102210331120
534314040113
63451322440
7644413341
oct222447530
980264336
1038424408
111a764910
1210a50420
137c64649
1451630c8
153590023
hex24a4f58

38424408 has 32 divisors (see below), whose sum is σ = 104794560. Its totient is φ = 11643680.

The previous prime is 38424371. The next prime is 38424409. The reversal of 38424408 is 80442483.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38424409) 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, 72510 + ... + 73037.

It is an arithmetic number, because the mean of its divisors is an integer number (3274830).

Almost surely, 238424408 is an apocalyptic number.

It is an amenable number.

38424408 is an abundant number, since it is smaller than the sum of its proper divisors (66370152).

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

38424408 is a wasteful number, since it uses less digits than its factorization.

38424408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145567 (or 145563 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 38424408 is about 6198.7424531110. The cubic root of 38424408 is about 337.4445318994. Note that the first 3 decimals are identical.

The spelling of 38424408 in words is "thirty-eight million, four hundred twenty-four thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 145547 291094 436641 582188 873282 1164376 1601017 1746564 3202034 3493128 4803051 6404068 9606102 12808136 19212204 38424408