Search a number
-
+
395341940 = 225723122777
BaseRepresentation
bin10111100100000…
…111000001110100
31000112220110012002
4113210013001310
51302201420230
6103121314432
712540231260
oct2744070164
91015813162
10395341940
11193184284
12b0495a18
1363ba0356
143a7110a0
1524a93545
hex17907074

395341940 has 48 divisors (see below), whose sum is σ = 990081792. Its totient is φ = 129651456.

The previous prime is 395341931. The next prime is 395341951. The reversal of 395341940 is 49143593.

It is a junction number, because it is equal to n+sod(n) for n = 395341894 and 395341903.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 58169 + ... + 64608.

It is an arithmetic number, because the mean of its divisors is an integer number (20626704).

Almost surely, 2395341940 is an apocalyptic number.

It is an amenable number.

395341940 is an abundant number, since it is smaller than the sum of its proper divisors (594739852).

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

395341940 is a wasteful number, since it uses less digits than its factorization.

395341940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122816 (or 122814 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 395341940 is about 19883.2074877269. The cubic root of 395341940 is about 733.9350520531.

The spelling of 395341940 in words is "three hundred ninety-five million, three hundred forty-one thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1610 3220 122777 245554 491108 613885 859439 1227770 1718878 2455540 2823871 3437756 4297195 5647742 8594390 11295484 14119355 17188780 19767097 28238710 39534194 56477420 79068388 98835485 197670970 395341940