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3950069 = 17232357
BaseRepresentation
bin1111000100010111110101
321102200110212
433010113311
52002400234
6220355205
745401144
oct17042765
97380425
103950069
112258822
1213a5b05
13a83c26
1474b75b
155305ce
hex3c45f5

3950069 has 4 divisors (see below), whose sum is σ = 4182444. Its totient is φ = 3717696.

The previous prime is 3950041. The next prime is 3950099. The reversal of 3950069 is 9600593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9600593 = 11384961.

It can be written as a sum of positive squares in 2 ways, for example, as 3467044 + 483025 = 1862^2 + 695^2 .

It is not a de Polignac number, because 3950069 - 212 = 3945973 is a prime.

It is a super-2 number, since 2×39500692 = 31206090209522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3950029) 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 3 ways as a sum of consecutive naturals, for example, 116162 + ... + 116195.

It is an arithmetic number, because the mean of its divisors is an integer number (1045611).

Almost surely, 23950069 is an apocalyptic number.

It is an amenable number.

3950069 is a deficient number, since it is larger than the sum of its proper divisors (232375).

3950069 is a wasteful number, since it uses less digits than its factorization.

3950069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232374.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 3950069 is about 1987.4780501933. The cubic root of 3950069 is about 158.0768333247.

The spelling of 3950069 in words is "three million, nine hundred fifty thousand, sixty-nine".

Divisors: 1 17 232357 3950069