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7440004004 = 221860001001
BaseRepresentation
bin1101110110111010…
…10111001110100100
3201012111200100210212
412323131113032210
5110214120112004
63230133034552
7352240663526
oct67335271644
921174610725
107440004004
113178763144
121537785a58
13917512b44
14508175a16
152d828096e
hex1bb7573a4

7440004004 has 6 divisors (see below), whose sum is σ = 13020007014. Its totient is φ = 3720002000.

The previous prime is 7440004003. The next prime is 7440004031. The reversal of 7440004004 is 4004000447.

It can be written as a sum of positive squares in only one way, i.e., 4442222500 + 2997781504 = 66650^2 + 54752^2 .

It is not an unprimeable number, because it can be changed into a prime (7440004003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 930000497 + ... + 930000504.

It is an arithmetic number, because the mean of its divisors is an integer number (2170001169).

Almost surely, 27440004004 is an apocalyptic number.

It is an amenable number.

7440004004 is a deficient number, since it is larger than the sum of its proper divisors (5580003010).

7440004004 is a wasteful number, since it uses less digits than its factorization.

7440004004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860001005 (or 1860001003 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 7440004004 is about 86255.4578215199. The cubic root of 7440004004 is about 1952.2003655434.

The spelling of 7440004004 in words is "seven billion, four hundred forty million, four thousand, four".

Divisors: 1 2 4 1860001001 3720002002 7440004004