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4148990 = 25414899
BaseRepresentation
bin1111110100111011111110
321210210100022
433310323332
52030231430
6224532142
750160116
oct17647376
97723308
104148990
11238421a
121481052
13b23631
147a0046
1556e4e5
hex3f4efe

4148990 has 8 divisors (see below), whose sum is σ = 7468200. Its totient is φ = 1659592.

The previous prime is 4148987. The next prime is 4149007. The reversal of 4148990 is 998414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4148990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207440 + ... + 207459.

It is an arithmetic number, because the mean of its divisors is an integer number (933525).

Almost surely, 24148990 is an apocalyptic number.

4148990 is a deficient number, since it is larger than the sum of its proper divisors (3319210).

4148990 is a wasteful number, since it uses less digits than its factorization.

4148990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414906.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 4148990 is about 2036.9069689114. The cubic root of 4148990 is about 160.6870197601.

The spelling of 4148990 in words is "four million, one hundred forty-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 414899 829798 2074495 4148990