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4387893552 = 243372972137
BaseRepresentation
bin1000001011000100…
…11111000100110000
3102022210121002101000
410011202133010300
532441300043202
62003223442000
7213510323400
oct40542370460
912283532330
104387893552
111951940409
12a255b6300
1354c0b4723
142d8a86800
151aa34691c
hex10589f130

4387893552 has 240 divisors, whose sum is σ = 14809156320. Its totient is φ = 1240178688.

The previous prime is 4387893547. The next prime is 4387893577. The reversal of 4387893552 is 2553987834.

4387893552 is a `hidden beast` number, since 4 + 3 + 8 + 7 + 89 + 3 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2052228 + ... + 2054364.

It is an arithmetic number, because the mean of its divisors is an integer number (61704818).

Almost surely, 24387893552 is an apocalyptic number.

4387893552 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4387893552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7404578160).

4387893552 is an abundant number, since it is smaller than the sum of its proper divisors (10421262768).

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

4387893552 is a wasteful number, since it uses less digits than its factorization.

4387893552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2246 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 4387893552 is about 66241.1771634532. The cubic root of 4387893552 is about 1637.1382712595.

The spelling of 4387893552 in words is "four billion, three hundred eighty-seven million, eight hundred ninety-three thousand, five hundred fifty-two".