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345644001 = 32103571653
BaseRepresentation
bin10100100110100…
…001101111100001
3220002101112102200
4110212201233201
51201441102001
654144203413
711364632313
oct2446415741
9802345380
10345644001
1116811a4aa
1297909569
13567bc5a1
1433c957b3
1520528086
hex149a1be1

345644001 has 24 divisors (see below), whose sum is σ = 505766976. Its totient is φ = 227443680.

The previous prime is 345643993. The next prime is 345644003. The reversal of 345644001 is 100446543.

It is not a de Polignac number, because 345644001 - 23 = 345643993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345644003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 528991 + ... + 529643.

It is an arithmetic number, because the mean of its divisors is an integer number (21073624).

Almost surely, 2345644001 is an apocalyptic number.

It is an amenable number.

345644001 is a deficient number, since it is larger than the sum of its proper divisors (160122975).

345644001 is a wasteful number, since it uses less digits than its factorization.

345644001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333 (or 1330 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 345644001 is about 18591.5034626036. The cubic root of 345644001 is about 701.7940382462.

The spelling of 345644001 in words is "three hundred forty-five million, six hundred forty-four thousand, one".

Divisors: 1 3 9 103 309 571 653 927 1713 1959 5139 5877 58813 67259 176439 201777 372863 529317 605331 1118589 3355767 38404889 115214667 345644001