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3070421 = 171091657
BaseRepresentation
bin1011101101100111010101
312202222211022
423231213111
51241223141
6145450525
735045444
oct13554725
95688738
103070421
111807942
121040a45
13836723
1459cd5b
15409b4b
hex2ed9d5

3070421 has 8 divisors (see below), whose sum is σ = 3282840. Its totient is φ = 2861568.

The previous prime is 3070399. The next prime is 3070427. The reversal of 3070421 is 1240703.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 835396 + 2235025 = 914^2 + 1495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3070421 - 26 = 3070357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 3070421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3070427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025 + ... + 2681.

It is an arithmetic number, because the mean of its divisors is an integer number (410355).

Almost surely, 23070421 is an apocalyptic number.

It is an amenable number.

3070421 is a deficient number, since it is larger than the sum of its proper divisors (212419).

3070421 is a wasteful number, since it uses less digits than its factorization.

3070421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 3070421 is about 1752.2616813707. The cubic root of 3070421 is about 145.3447366180.

The spelling of 3070421 in words is "three million, seventy thousand, four hundred twenty-one".

Divisors: 1 17 109 1657 1853 28169 180613 3070421