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4145898 = 232923827
BaseRepresentation
bin1111110100001011101010
321210122002210
433310023222
52030132043
6224505550
750145111
oct17641352
97718083
104145898
112381969
12147b2b6
13b220c3
1479cc78
1556d633
hex3f42ea

4145898 has 16 divisors (see below), whose sum is σ = 8578080. Its totient is φ = 1334256.

The previous prime is 4145891. The next prime is 4145951. The reversal of 4145898 is 8985414.

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 (4145891) 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, 11740 + ... + 12087.

It is an arithmetic number, because the mean of its divisors is an integer number (536130).

Almost surely, 24145898 is an apocalyptic number.

4145898 is an abundant number, since it is smaller than the sum of its proper divisors (4432182).

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

4145898 is a wasteful number, since it uses less digits than its factorization.

4145898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23861.

The product of its digits is 46080, while the sum is 39.

The square root of 4145898 is about 2036.1478335327. The cubic root of 4145898 is about 160.6470929555.

The spelling of 4145898 in words is "four million, one hundred forty-five thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 29 58 87 174 23827 47654 71481 142962 690983 1381966 2072949 4145898