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38533401 = 34475721
BaseRepresentation
bin1001001011111…
…1100100011001
32200111200220000
42102333210121
534331032101
63453523213
7645346164
oct222774431
980450800
1038533401
111a829795
1210aa3509
137ca213a
145190adb
1535b2486
hex24bf919

38533401 has 10 divisors (see below), whose sum is σ = 57562362. Its totient is φ = 25688880.

The previous prime is 38533381. The next prime is 38533421. The reversal of 38533401 is 10433583.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38533381) and next prime (38533421).

It can be written as a sum of positive squares in only one way, i.e., 30239001 + 8294400 = 5499^2 + 2880^2 .

It is not a de Polignac number, because 38533401 - 213 = 38525209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (38533421) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 237780 + ... + 237941.

Almost surely, 238533401 is an apocalyptic number.

It is an amenable number.

38533401 is a deficient number, since it is larger than the sum of its proper divisors (19028961).

38533401 is an equidigital number, since it uses as much as digits as its factorization.

38533401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475733 (or 475724 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 38533401 is about 6207.5277687659. The cubic root of 38533401 is about 337.7632908442.

Adding to 38533401 its reverse (10433583), we get a palindrome (48966984).

The spelling of 38533401 in words is "thirty-eight million, five hundred thirty-three thousand, four hundred one".

Divisors: 1 3 9 27 81 475721 1427163 4281489 12844467 38533401