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16001007 = 311677237
BaseRepresentation
bin111101000010…
…011111101111
31010002221020220
4331002133233
513044013012
61330542423
7253002111
oct75023757
933087226
1016001007
119039880
125437a13
133413169
1421a73b1
15161108c
hexf427ef

16001007 has 16 divisors (see below), whose sum is σ = 23624832. Its totient is φ = 9551520.

The previous prime is 16000987. The next prime is 16001081. The reversal of 16001007 is 70010061.

It is not a de Polignac number, because 16001007 - 27 = 16000879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16001107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408 + ... + 5829.

It is an arithmetic number, because the mean of its divisors is an integer number (1476552).

Almost surely, 216001007 is an apocalyptic number.

16001007 is a deficient number, since it is larger than the sum of its proper divisors (7623825).

16001007 is a wasteful number, since it uses less digits than its factorization.

16001007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7318.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 16001007 is about 4000.1258730195. The cubic root of 16001007 is about 251.9894962868.

Adding to 16001007 its reverse (70010061), we get a palindrome (86011068).

The spelling of 16001007 in words is "sixteen million, one thousand, seven".

Divisors: 1 3 11 33 67 201 737 2211 7237 21711 79607 238821 484879 1454637 5333669 16001007