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4148490 = 235138283
BaseRepresentation
bin1111110100110100001010
321210202122210
433310310022
52030222430
6224525550
750155503
oct17646412
97722583
104148490
112383905
1214808b6
13b23338
1479dbaa
1556e2b0
hex3f4d0a

4148490 has 16 divisors (see below), whose sum is σ = 9956448. Its totient is φ = 1106256.

The previous prime is 4148489. The next prime is 4148567. The reversal of 4148490 is 948414.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 138283 = 4148490 / (4 + 1 + 4 + 8 + 4 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69112 + ... + 69171.

It is an arithmetic number, because the mean of its divisors is an integer number (622278).

Almost surely, 24148490 is an apocalyptic number.

4148490 is an abundant number, since it is smaller than the sum of its proper divisors (5807958).

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

4148490 is a wasteful number, since it uses less digits than its factorization.

4148490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138293.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 4148490 is about 2036.7842301039. The cubic root of 4148490 is about 160.6805646359.

The spelling of 4148490 in words is "four million, one hundred forty-eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 138283 276566 414849 691415 829698 1382830 2074245 4148490