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3430725 = 352149307
BaseRepresentation
bin1101000101100101000101
320110022001220
431011211011
51334240400
6201310553
741106054
oct15054505
96408056
103430725
111a33611
121195459
1393171c
1465439b
1547b7a0
hex345945

3430725 has 24 divisors (see below), whose sum is σ = 5728800. Its totient is φ = 1811520.

The previous prime is 3430717. The next prime is 3430727. The reversal of 3430725 is 5270343.

It is not a de Polignac number, because 3430725 - 23 = 3430717 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3430695 and 3430704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3430727) 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, 11022 + ... + 11328.

It is an arithmetic number, because the mean of its divisors is an integer number (238700).

Almost surely, 23430725 is an apocalyptic number.

It is an amenable number.

3430725 is a deficient number, since it is larger than the sum of its proper divisors (2298075).

3430725 is a wasteful number, since it uses less digits than its factorization.

3430725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 3430725 is about 1852.2216390054. The cubic root of 3430725 is about 150.8210531669.

The spelling of 3430725 in words is "three million, four hundred thirty thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 75 149 307 447 745 921 1535 2235 3725 4605 7675 11175 23025 45743 137229 228715 686145 1143575 3430725