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38483220 = 2235641387
BaseRepresentation
bin1001001011001…
…1010100010100
32200102011001110
42102303110110
534322430340
63452455020
7645046656
oct222632424
980364043
1038483220
111a7a5016
1210a7a470
137c85349
14517a6d6
1535a2680
hex24b3514

38483220 has 24 divisors (see below), whose sum is σ = 107753184. Its totient is φ = 10262176.

The previous prime is 38483201. The next prime is 38483243. The reversal of 38483220 is 2238483.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 320634 + ... + 320753.

It is an arithmetic number, because the mean of its divisors is an integer number (4489716).

Almost surely, 238483220 is an apocalyptic number.

38483220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38483220 is an abundant number, since it is smaller than the sum of its proper divisors (69269964).

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

38483220 is a wasteful number, since it uses less digits than its factorization.

38483220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641399 (or 641397 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 38483220 is about 6203.4845046957. The cubic root of 38483220 is about 337.6166071695.

The spelling of 38483220 in words is "thirty-eight million, four hundred eighty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 641387 1282774 1924161 2565548 3206935 3848322 6413870 7696644 9620805 12827740 19241610 38483220