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4172070 = 235719867
BaseRepresentation
bin1111111010100100100110
321211222000010
433322210212
52032001240
6225231050
750314320
oct17724446
97758003
104172070
11239a5a1
121492486
13b30ca6
147a8610
15576280
hex3fa926

4172070 has 32 divisors (see below), whose sum is σ = 11443968. Its totient is φ = 953568.

The previous prime is 4172059. The next prime is 4172071. The reversal of 4172070 is 702714.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9724 + ... + 10143.

It is an arithmetic number, because the mean of its divisors is an integer number (357624).

Almost surely, 24172070 is an apocalyptic number.

4172070 is an abundant number, since it is smaller than the sum of its proper divisors (7271898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4172070 is a wasteful number, since it uses less digits than its factorization.

4172070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19884.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 4172070 is about 2042.5645644630. The cubic root of 4172070 is about 160.9844255346.

Adding to 4172070 its reverse (702714), we get a palindrome (4874784).

The spelling of 4172070 in words is "four million, one hundred seventy-two thousand, seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 19867 39734 59601 99335 119202 139069 198670 278138 298005 417207 596010 695345 834414 1390690 2086035 4172070