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38479320 = 23335114179
BaseRepresentation
bin1001001011001…
…0010111011000
32200101221201000
42102302113120
534322314240
63452425000
7645032415
oct222622730
980357630
1038479320
111a7a20a0
1210a78160
137c83639
14517910c
1535a1430
hex24b25d8

38479320 has 256 divisors, whose sum is σ = 145152000. Its totient is φ = 8985600.

The previous prime is 38479307. The next prime is 38479321. The reversal of 38479320 is 2397483.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38479321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 487041 + ... + 487119.

It is an arithmetic number, because the mean of its divisors is an integer number (567000).

Almost surely, 238479320 is an apocalyptic number.

38479320 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 38479320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72576000).

38479320 is an abundant number, since it is smaller than the sum of its proper divisors (106672680).

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

38479320 is a wasteful number, since it uses less digits than its factorization.

38479320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 38479320 is about 6203.1701572664. The cubic root of 38479320 is about 337.6052017722.

The spelling of 38479320 in words is "thirty-eight million, four hundred seventy-nine thousand, three hundred twenty".