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195228748 = 2211131721181
BaseRepresentation
bin10111010001011…
…11010001001100
3111121100122111101
423220233101030
5344434304443
631212232444
74560263011
oct1350572114
9447318441
10195228748
11a0224280
125546b724
13315a6690
141bcdd708
151221584d
hexba2f44c

195228748 has 72 divisors (see below), whose sum is σ = 426739824. Its totient is φ = 77030400.

The previous prime is 195228707. The next prime is 195228749. The reversal of 195228748 is 847822591.

195228748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1952287482 = 76228528091295008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 195228698 and 195228707.

It is not an unprimeable number, because it can be changed into a prime (195228749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164718 + ... + 165898.

It is an arithmetic number, because the mean of its divisors is an integer number (5926942).

Almost surely, 2195228748 is an apocalyptic number.

It is an amenable number.

195228748 is an abundant number, since it is smaller than the sum of its proper divisors (231511076).

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

195228748 is a wasteful number, since it uses less digits than its factorization.

195228748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1224 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 195228748 is about 13972.4281354387. The cubic root of 195228748 is about 580.1156606439.

The spelling of 195228748 in words is "one hundred ninety-five million, two hundred twenty-eight thousand, seven hundred forty-eight".

Divisors: 1 2 4 11 13 17 22 26 34 44 52 68 143 187 221 286 289 374 442 572 578 748 884 1156 1181 2362 2431 3179 3757 4724 4862 6358 7514 9724 12716 12991 15028 15353 20077 25982 30706 40154 41327 51964 61412 80308 82654 165308 168883 220847 261001 337766 341309 441694 522002 675532 682618 883388 1044004 1365236 2871011 3754399 4437017 5742022 7508798 8874034 11484044 15017596 17748068 48807187 97614374 195228748