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38442480 = 2435315167
BaseRepresentation
bin1001001010100…
…1010111110000
32200100002011120
42102221113300
534320124410
63451542240
7644520126
oct222512760
980302146
1038442480
111a77744a
1210a5a980
137c6c93b
145169916
153595570
hex24a95f0

38442480 has 80 divisors (see below), whose sum is σ = 123039744. Its totient is φ = 9918720.

The previous prime is 38442463. The next prime is 38442497. The reversal of 38442480 is 8424483.

It is an interprime number because it is at equal distance from previous prime (38442463) and next prime (38442497).

It is a tau number, because it is divible by the number of its divisors (80).

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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4857 + ... + 10023.

Almost surely, 238442480 is an apocalyptic number.

38442480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38442480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61519872).

38442480 is an abundant number, since it is smaller than the sum of its proper divisors (84597264).

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

38442480 is a wasteful number, since it uses less digits than its factorization.

38442480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214 (or 5208 counting only the distinct ones).

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

The square root of 38442480 is about 6200.1999967743. The cubic root of 38442480 is about 337.4974265922.

The spelling of 38442480 in words is "thirty-eight million, four hundred forty-two thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 48 60 62 80 93 120 124 155 186 240 248 310 372 465 496 620 744 930 1240 1488 1860 2480 3720 5167 7440 10334 15501 20668 25835 31002 41336 51670 62004 77505 82672 103340 124008 155010 160177 206680 248016 310020 320354 413360 480531 620040 640708 800885 961062 1240080 1281416 1601770 1922124 2402655 2562832 3203540 3844248 4805310 6407080 7688496 9610620 12814160 19221240 38442480