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4123290 = 235137443
BaseRepresentation
bin1111101110101010011010
321202111002110
433232222122
52023421130
6224213150
750022153
oct17565232
97674073
104123290
112366986
12146a1b6
13b14a22
1479492a
15566ab0
hex3eea9a

4123290 has 16 divisors (see below), whose sum is σ = 9895968. Its totient is φ = 1099536.

The previous prime is 4123283. The next prime is 4123297. The reversal of 4123290 is 923214.

It is an interprime number because it is at equal distance from previous prime (4123283) and next prime (4123297).

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

It is not an unprimeable number, because it can be changed into a prime (4123297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68692 + ... + 68751.

It is an arithmetic number, because the mean of its divisors is an integer number (618498).

Almost surely, 24123290 is an apocalyptic number.

4123290 is an abundant number, since it is smaller than the sum of its proper divisors (5772678).

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

4123290 is a wasteful number, since it uses less digits than its factorization.

4123290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137453.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4123290 is about 2030.5885846227. The cubic root of 4123290 is about 160.3545522905.

The spelling of 4123290 in words is "four million, one hundred twenty-three thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 137443 274886 412329 687215 824658 1374430 2061645 4123290