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3902070 = 235130069
BaseRepresentation
bin1110111000101001110110
321100020122010
432320221312
51444331240
6215345050
745111204
oct16705166
97306563
103902070
112225757
121382186
13a68123
14738074
15521280
hex3b8a76

3902070 has 16 divisors (see below), whose sum is σ = 9365040. Its totient is φ = 1040544.

The previous prime is 3902053. The next prime is 3902071. The reversal of 3902070 is 702093.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3902071) 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 7 ways as a sum of consecutive naturals, for example, 65005 + ... + 65064.

It is an arithmetic number, because the mean of its divisors is an integer number (585315).

Almost surely, 23902070 is an apocalyptic number.

3902070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3902070 is an abundant number, since it is smaller than the sum of its proper divisors (5462970).

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

3902070 is a wasteful number, since it uses less digits than its factorization.

3902070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130079.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 3902070 is about 1975.3657889110. The cubic root of 3902070 is about 157.4339355076.

The spelling of 3902070 in words is "three million, nine hundred two thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 130069 260138 390207 650345 780414 1300690 1951035 3902070