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320925441 = 353238083
BaseRepresentation
bin10011001000001…
…110111100000001
3211100212200221110
4103020032330001
51124124103231
651502313533
710644551454
oct2310167401
9740780843
10320925441
11155177041
128b5888a9
1351646515
143089d49b
151d294046
hex1320ef01

320925441 has 12 divisors (see below), whose sum is σ = 436137968. Its totient is φ = 209907984.

The previous prime is 320925433. The next prime is 320925461. The reversal of 320925441 is 144529023.

It is not a de Polignac number, because 320925441 - 23 = 320925433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320925399 and 320925408.

It is not an unprimeable number, because it can be changed into a prime (320925461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10615 + ... + 27468.

Almost surely, 2320925441 is an apocalyptic number.

It is an amenable number.

320925441 is a deficient number, since it is larger than the sum of its proper divisors (115212527).

320925441 is an equidigital number, since it uses as much as digits as its factorization.

320925441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38192 (or 38139 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 320925441 is about 17914.3920075452. The cubic root of 320925441 is about 684.6491114966.

The spelling of 320925441 in words is "three hundred twenty million, nine hundred twenty-five thousand, four hundred forty-one".

Divisors: 1 3 53 159 2809 8427 38083 114249 2018399 6055197 106975147 320925441