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195248648 = 237291091103
BaseRepresentation
bin10111010001101…
…00001000001000
3111121101122210102
423220310020020
5344440424043
631212504532
74560405020
oct1350641010
9447348712
10195248648
11a0238221
125547b148
13315b275a
141bd06a80
151221b6b8
hexba34208

195248648 has 64 divisors (see below), whose sum is σ = 437184000. Its totient is φ = 79978752.

The previous prime is 195248629. The next prime is 195248699. The reversal of 195248648 is 846842591.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176465 + ... + 177567.

It is an arithmetic number, because the mean of its divisors is an integer number (6831000).

Almost surely, 2195248648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195248648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218592000).

195248648 is an abundant number, since it is smaller than the sum of its proper divisors (241935352).

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

195248648 is a wasteful number, since it uses less digits than its factorization.

195248648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 1250 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 195248648 is about 13973.1402340347. The cubic root of 195248648 is about 580.1353707012.

The spelling of 195248648 in words is "one hundred ninety-five million, two hundred forty-eight thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 29 56 58 109 116 203 218 232 406 436 763 812 872 1103 1526 1624 2206 3052 3161 4412 6104 6322 7721 8824 12644 15442 22127 25288 30884 31987 44254 61768 63974 88508 120227 127948 177016 223909 240454 255896 447818 480908 841589 895636 961816 1683178 1791272 3366356 3486583 6732712 6973166 13946332 24406081 27892664 48812162 97624324 195248648