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2078022330 = 233525729947
BaseRepresentation
bin111101111011100…
…0001101010111010
312100211011110202000
41323313001222322
513223433203310
6542111121430
7102331620066
oct17367015272
95324143660
102078022330
11976a97a2a
1249bb13276
13271694517
14159da8aa6
15c26754c0
hex7bdc1aba

2078022330 has 64 divisors (see below), whose sum is σ = 5563140480. Its totient is φ = 551964672.

The previous prime is 2078022313. The next prime is 2078022341. The reversal of 2078022330 is 332208702.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2078022294 and 2078022303.

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 in 31 ways as a sum of consecutive naturals, for example, 54417 + ... + 84363.

It is an arithmetic number, because the mean of its divisors is an integer number (86924070).

Almost surely, 22078022330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2078022330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2781570240).

2078022330 is an abundant number, since it is smaller than the sum of its proper divisors (3485118150).

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

2078022330 is a wasteful number, since it uses less digits than its factorization.

2078022330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30220 (or 30214 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2078022330 is about 45585.3302061091. The cubic root of 2078022330 is about 1276.0961645832.

The spelling of 2078022330 in words is "two billion, seventy-eight million, twenty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 257 270 514 771 1285 1542 2313 2570 3855 4626 6939 7710 11565 13878 23130 29947 34695 59894 69390 89841 149735 179682 269523 299470 449205 539046 808569 898410 1347615 1617138 2695230 4042845 7696379 8085690 15392758 23089137 38481895 46178274 69267411 76963790 115445685 138534822 207802233 230891370 346337055 415604466 692674110 1039011165 2078022330