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138382800 = 24352115319
BaseRepresentation
bin10000011111110…
…00110111010000
3100122101120111220
420033320313100
5240411222200
621422005040
73300143253
oct1017706720
9318346456
10138382800
1171128056
123a416780
132289221a
141454309a
15c2374a0
hex83f8dd0

138382800 has 60 divisors (see below), whose sum is σ = 443290080. Its totient is φ = 36901760.

The previous prime is 138382793. The next prime is 138382813. The reversal of 138382800 is 8283831.

138382800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56460 + ... + 58859.

It is an arithmetic number, because the mean of its divisors is an integer number (7388168).

Almost surely, 2138382800 is an apocalyptic number.

138382800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138382800 is an abundant number, since it is smaller than the sum of its proper divisors (304907280).

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

138382800 is a wasteful number, since it uses less digits than its factorization.

138382800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115340 (or 115329 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 138382800 is about 11763.6218912374. The cubic root of 138382800 is about 517.2423044275.

The spelling of 138382800 in words is "one hundred thirty-eight million, three hundred eighty-two thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 115319 230638 345957 461276 576595 691914 922552 1153190 1383828 1729785 1845104 2306380 2767656 2882975 3459570 4612760 5535312 5765950 6919140 8648925 9225520 11531900 13838280 17297850 23063800 27676560 34595700 46127600 69191400 138382800