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3890633144 = 23486329143
BaseRepresentation
bin1110011111100110…
…0101100110111000
3101001010220122022212
43213321211212320
530432000230034
61442021434252
7165261556526
oct34771454670
911033818285
103890633144
1117171852a2
12906b6b988
134a007b5b8
1428ca05316
1517b8702ce
hexe7e659b8

3890633144 has 8 divisors (see below), whose sum is σ = 7294937160. Its totient is φ = 1945316568.

The previous prime is 3890633129. The next prime is 3890633161. The reversal of 3890633144 is 4413360983.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×38906331442 = 30274052522382649472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243164564 + ... + 243164579.

It is an arithmetic number, because the mean of its divisors is an integer number (911867145).

Almost surely, 23890633144 is an apocalyptic number.

It is an amenable number.

3890633144 is a deficient number, since it is larger than the sum of its proper divisors (3404304016).

3890633144 is a wasteful number, since it uses less digits than its factorization.

3890633144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486329149 (or 486329145 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 3890633144 is about 62374.9400320353. The cubic root of 3890633144 is about 1572.7997353017.

The spelling of 3890633144 in words is "three billion, eight hundred ninety million, six hundred thirty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 486329143 972658286 1945316572 3890633144