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38429801 = 311239671
BaseRepresentation
bin1001001010011…
…0010001101001
32200022102202222
42102212101221
534314223201
63451403425
7644435144
oct222462151
980272688
1038429801
111a768973
1210a53575
137c66c37
14516505b
15359191b
hex24a6469

38429801 has 4 divisors (see below), whose sum is σ = 39669504. Its totient is φ = 37190100.

The previous prime is 38429789. The next prime is 38429821. The reversal of 38429801 is 10892483.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10892483 = 71556069.

It is a cyclic number.

It is not a de Polignac number, because 38429801 - 26 = 38429737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38429821) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 619805 + ... + 619866.

It is an arithmetic number, because the mean of its divisors is an integer number (9917376).

Almost surely, 238429801 is an apocalyptic number.

38429801 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

38429801 is a deficient number, since it is larger than the sum of its proper divisors (1239703).

38429801 is a wasteful number, since it uses less digits than its factorization.

38429801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239702.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 38429801 is about 6199.1774454358. The cubic root of 38429801 is about 337.4603183341.

The spelling of 38429801 in words is "thirty-eight million, four hundred twenty-nine thousand, eight hundred one".

Divisors: 1 31 1239671 38429801