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38368628 = 2277312409
BaseRepresentation
bin1001001001011…
…1010101110100
32200012022212022
42102113111310
534310244003
63450212312
7644061614
oct222272564
980168768
1038368628
111a726a11
1210a24098
137c4513c
14514aa44
15357d738
hex2497574

38368628 has 12 divisors (see below), whose sum is σ = 67237380. Its totient is φ = 19157952.

The previous prime is 38368601. The next prime is 38368637. The reversal of 38368628 is 82686383.

38368628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1669264 + 36699364 = 1292^2 + 6058^2 .

It is a super-2 number, since 2×383686282 = 2944303229204768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3113 + ... + 9296.

It is an arithmetic number, because the mean of its divisors is an integer number (5603115).

Almost surely, 238368628 is an apocalyptic number.

It is an amenable number.

38368628 is a deficient number, since it is larger than the sum of its proper divisors (28868752).

38368628 is a wasteful number, since it uses less digits than its factorization.

38368628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13186 (or 13184 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 38368628 is about 6194.2415193468. The cubic root of 38368628 is about 337.2811655004.

The spelling of 38368628 in words is "thirty-eight million, three hundred sixty-eight thousand, six hundred twenty-eight".

Divisors: 1 2 4 773 1546 3092 12409 24818 49636 9592157 19184314 38368628