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3445420004 = 221366258077
BaseRepresentation
bin1100110101011100…
…1110111111100100
322220010011110201022
43031113032333210
524024011420004
61325515150312
7151244405165
oct31527167744
98803143638
103445420004
111508939054
12801a45398
1342ba69680
1424983176c
1515272a2be
hexcd5cefe4

3445420004 has 12 divisors (see below), whose sum is σ = 6493291644. Its totient is φ = 1590193824.

The previous prime is 3445420003. The next prime is 3445420019. The reversal of 3445420004 is 4000245443.

It can be written as a sum of positive squares in 2 ways, for example, as 406103104 + 3039316900 = 20152^2 + 55130^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (3445420003) 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, 33128987 + ... + 33129090.

It is an arithmetic number, because the mean of its divisors is an integer number (541107637).

Almost surely, 23445420004 is an apocalyptic number.

It is an amenable number.

3445420004 is a deficient number, since it is larger than the sum of its proper divisors (3047871640).

3445420004 is a wasteful number, since it uses less digits than its factorization.

3445420004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66258094 (or 66258092 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 3445420004 is about 58697.7001593759. The cubic root of 3445420004 is about 1510.3608634191.

Adding to 3445420004 its reverse (4000245443), we get a palindrome (7445665447).

The spelling of 3445420004 in words is "three billion, four hundred forty-five million, four hundred twenty thousand, four".

Divisors: 1 2 4 13 26 52 66258077 132516154 265032308 861355001 1722710002 3445420004