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38980400 = 24521923223
BaseRepresentation
bin1001010010110…
…0101100110000
32201100102001112
42110230230300
534434333100
63511252452
7652220324
oct224545460
981312045
1038980400
1120004608
121107a128
1380ca734
145269984
15364eb35
hex252cb30

38980400 has 120 divisors (see below), whose sum is σ = 103326720. Its totient is φ = 14065920.

The previous prime is 38980397. The next prime is 38980411. The reversal of 38980400 is 408983.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 174689 + ... + 174911.

It is an arithmetic number, because the mean of its divisors is an integer number (861056).

Almost surely, 238980400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38980400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51663360).

38980400 is an abundant number, since it is smaller than the sum of its proper divisors (64346320).

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

38980400 is a wasteful number, since it uses less digits than its factorization.

38980400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 38980400 is about 6243.4285452786. The cubic root of 38980400 is about 339.0643247440.

The spelling of 38980400 in words is "thirty-eight million, nine hundred eighty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 19 20 23 25 38 40 46 50 76 80 92 95 100 115 152 184 190 200 223 230 304 368 380 400 437 446 460 475 575 760 874 892 920 950 1115 1150 1520 1748 1784 1840 1900 2185 2230 2300 3496 3568 3800 4237 4370 4460 4600 5129 5575 6992 7600 8474 8740 8920 9200 10258 10925 11150 16948 17480 17840 20516 21185 21850 22300 25645 33896 34960 41032 42370 43700 44600 51290 67792 82064 84740 87400 89200 97451 102580 105925 128225 169480 174800 194902 205160 211850 256450 338960 389804 410320 423700 487255 512900 779608 847400 974510 1025800 1559216 1694800 1949020 2051600 2436275 3898040 4872550 7796080 9745100 19490200 38980400