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4288933990 = 251138990309
BaseRepresentation
bin1111111110100011…
…1111000001100110
3102001220101102101001
43333220333001212
532240431341430
61545330423514
7211166223505
oct37750770146
912056342331
104288933990
111900a9a650
129b8431b9a
13534746683
142c988683c
151a17ea3ca
hexffa3f066

4288933990 has 16 divisors (see below), whose sum is σ = 8421906960. Its totient is φ = 1559612320.

The previous prime is 4288933939. The next prime is 4288934021. The reversal of 4288933990 is 993398824.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

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, 19495045 + ... + 19495264.

It is an arithmetic number, because the mean of its divisors is an integer number (526369185).

Almost surely, 24288933990 is an apocalyptic number.

4288933990 is a deficient number, since it is larger than the sum of its proper divisors (4132972970).

4288933990 is a wasteful number, since it uses less digits than its factorization.

4288933990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38990327.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The square root of 4288933990 is about 65489.9533516401. The cubic root of 4288933990 is about 1624.7371870042.

The spelling of 4288933990 in words is "four billion, two hundred eighty-eight million, nine hundred thirty-three thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 38990309 77980618 194951545 389903090 428893399 857786798 2144466995 4288933990