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3445975 = 521323461
BaseRepresentation
bin1101001001010011010111
320111001222201
431021103113
51340232400
6201505331
741201401
oct15112327
96431881
103445975
111a44015
1211a2247
13938650
14659b71
1548106a
hex3494d7

3445975 has 24 divisors (see below), whose sum is σ = 4812192. Its totient is φ = 2428800.

The previous prime is 3445963. The next prime is 3445999. The reversal of 3445975 is 5795443.

It is not a de Polignac number, because 3445975 - 25 = 3445943 is a prime.

It is a Duffinian number.

3445975 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7245 + ... + 7705.

It is an arithmetic number, because the mean of its divisors is an integer number (200508).

Almost surely, 23445975 is an apocalyptic number.

3445975 is a deficient number, since it is larger than the sum of its proper divisors (1366217).

3445975 is a wasteful number, since it uses less digits than its factorization.

3445975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 502 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 3445975 is about 1856.3337523193. Note that the first 3 decimals coincide. The cubic root of 3445975 is about 151.0441956506.

The spelling of 3445975 in words is "three million, four hundred forty-five thousand, nine hundred seventy-five".

Divisors: 1 5 13 23 25 65 115 299 325 461 575 1495 2305 5993 7475 10603 11525 29965 53015 137839 149825 265075 689195 3445975