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38301340 = 225721121719
BaseRepresentation
bin1001001000011…
…0111010011100
32200001220120011
42102012322130
534301120330
63444533004
7643361500
oct222067234
980056504
1038301340
111a690400
12109b1164
137c2061c
145130300
15356882a
hex2486e9c

38301340 has 216 divisors, whose sum is σ = 114624720. Its totient is φ = 10644480.

The previous prime is 38301313. The next prime is 38301349. The reversal of 38301340 is 4310383.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38301349) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2015851 + ... + 2015869.

It is an arithmetic number, because the mean of its divisors is an integer number (530670).

Almost surely, 238301340 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 38301340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57312360).

38301340 is an abundant number, since it is smaller than the sum of its proper divisors (76323380).

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

38301340 is a wasteful number, since it uses less digits than its factorization.

38301340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 38301340 is about 6188.8076396023. The cubic root of 38301340 is about 337.0838840572.

The spelling of 38301340 in words is "thirty-eight million, three hundred one thousand, three hundred forty".