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38328912 = 24321791487
BaseRepresentation
bin1001001000110…
…1101001010000
32200010022101100
42102031221100
534303011122
63445304400
7643535046
oct222155120
980108340
1038328912
111a6aa096
1210a05100
137c3003b
14513a396
153571aac
hex248da50

38328912 has 60 divisors (see below), whose sum is σ = 107939520. Its totient is φ = 12696384.

The previous prime is 38328893. The next prime is 38328943. The reversal of 38328912 is 21982383.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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, 25033 + ... + 26519.

It is an arithmetic number, because the mean of its divisors is an integer number (1798992).

Almost surely, 238328912 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 38328912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53969760).

38328912 is an abundant number, since it is smaller than the sum of its proper divisors (69610608).

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

38328912 is a wasteful number, since it uses less digits than its factorization.

38328912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 1671 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 38328912 is about 6191.0348084953. The cubic root of 38328912 is about 337.1647502233.

The spelling of 38328912 in words is "thirty-eight million, three hundred twenty-eight thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 179 358 537 716 1074 1432 1487 1611 2148 2864 2974 3222 4296 4461 5948 6444 8592 8922 11896 12888 13383 17844 23792 25776 26766 35688 53532 71376 107064 214128 266173 532346 798519 1064692 1597038 2129384 2395557 3194076 4258768 4791114 6388152 9582228 12776304 19164456 38328912