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3072445 = 52272707
BaseRepresentation
bin1011101110000110111101
312210002121021
423232012331
51241304240
6145504141
735054365
oct13560675
95702537
103072445
111809412
121042051
1383761c
1459d9a5
1540a54a
hex2ee1bd

3072445 has 8 divisors (see below), whose sum is σ = 3704544. Its totient is φ = 2446224.

The previous prime is 3072439. The next prime is 3072449. The reversal of 3072445 is 5442703.

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 3072445 - 25 = 3072413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3072449) 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, 219 + ... + 2488.

It is an arithmetic number, because the mean of its divisors is an integer number (463068).

Almost surely, 23072445 is an apocalyptic number.

It is an amenable number.

3072445 is a deficient number, since it is larger than the sum of its proper divisors (632099).

3072445 is a wasteful number, since it uses less digits than its factorization.

3072445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 3072445 is about 1752.8391255332. The cubic root of 3072445 is about 145.3766663469.

The spelling of 3072445 in words is "three million, seventy-two thousand, four hundred forty-five".

Divisors: 1 5 227 1135 2707 13535 614489 3072445