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407648001 = 3135882667
BaseRepresentation
bin11000010011000…
…011011100000001
31001102001122221010
4120103003130001
51313324214001
6104241151133
713046644065
oct3023033401
91042048833
10407648001
1119a119a82
12b462b4a9
13665bb747
143c1d5aa5
1525bc48d6
hex184c3701

407648001 has 4 divisors (see below), whose sum is σ = 543530672. Its totient is φ = 271765332.

The previous prime is 407647993. The next prime is 407648011. The reversal of 407648001 is 100846704.

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.

It is not a de Polignac number, because 407648001 - 23 = 407647993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 407648001.

It is not an unprimeable number, because it can be changed into a prime (407648011) 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, 67941331 + ... + 67941336.

It is an arithmetic number, because the mean of its divisors is an integer number (135882668).

Almost surely, 2407648001 is an apocalyptic number.

It is an amenable number.

407648001 is a deficient number, since it is larger than the sum of its proper divisors (135882671).

407648001 is a wasteful number, since it uses less digits than its factorization.

407648001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135882670.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 407648001 is about 20190.2947229603. The cubic root of 407648001 is about 741.4725977833.

The spelling of 407648001 in words is "four hundred seven million, six hundred forty-eight thousand, one".

Divisors: 1 3 135882667 407648001