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38026390 = 255576827
BaseRepresentation
bin1001000100001…
…1110010010110
32122112221101211
42101003302112
534213321030
63435012034
7641135053
oct221036226
978487354
1038026390
111a512876
121089a01a
137b5542c
14509c02a
15351212a
hex2443c96

38026390 has 16 divisors (see below), whose sum is σ = 68580432. Its totient is φ = 15181024.

The previous prime is 38026333. The next prime is 38026403. The reversal of 38026390 is 9362083.

It is a happy number.

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, 2157 + ... + 8983.

It is an arithmetic number, because the mean of its divisors is an integer number (4286277).

Almost surely, 238026390 is an apocalyptic number.

38026390 is a deficient number, since it is larger than the sum of its proper divisors (30554042).

38026390 is a wasteful number, since it uses less digits than its factorization.

38026390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7391.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 38026390 is about 6166.5541431175. The cubic root of 38026390 is about 336.2753494522.

It can be divided in two parts, 38026 and 390, that added together give a 4-th power (38416 = 144).

The spelling of 38026390 in words is "thirty-eight million, twenty-six thousand, three hundred ninety".

Divisors: 1 2 5 10 557 1114 2785 5570 6827 13654 34135 68270 3802639 7605278 19013195 38026390