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39408001 = 58276763
BaseRepresentation
bin1001011001010…
…1000110000001
32202011010121121
42112111012001
540042024001
63524352241
7655651063
oct226250601
982133547
1039408001
11202768a6
1211245681
13821a259
14533b733
1536d66a1
hex2595181

39408001 has 4 divisors (see below), whose sum is σ = 39420592. Its totient is φ = 39395412.

The previous prime is 39407999. The next prime is 39408049. The reversal of 39408001 is 10080493.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 39408001 - 21 = 39407999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39408301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2446 + ... + 9208.

It is an arithmetic number, because the mean of its divisors is an integer number (9855148).

Almost surely, 239408001 is an apocalyptic number.

It is an amenable number.

39408001 is a deficient number, since it is larger than the sum of its proper divisors (12591).

39408001 is an equidigital number, since it uses as much as digits as its factorization.

39408001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 39408001 is about 6277.5792308819. The cubic root of 39408001 is about 340.2996234239.

Adding to 39408001 its reverse (10080493), we get a palindrome (49488494).

The spelling of 39408001 in words is "thirty-nine million, four hundred eight thousand, one".

Divisors: 1 5827 6763 39408001