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147194940 = 223523106663
BaseRepresentation
bin10001100011000…
…00010000111100
3101020222021111110
420301200100330
5300140214230
622334522020
73435064524
oct1061402074
9336867443
10147194940
11760a6812
1241366310
13246591c9
1415798684
15cdc84b0
hex8c6043c

147194940 has 48 divisors (see below), whose sum is σ = 430069248. Its totient is φ = 37545024.

The previous prime is 147194921. The next prime is 147194947. The reversal of 147194940 is 49491741.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147194947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51952 + ... + 54711.

It is an arithmetic number, because the mean of its divisors is an integer number (8959776).

Almost surely, 2147194940 is an apocalyptic number.

147194940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147194940 is an abundant number, since it is smaller than the sum of its proper divisors (282874308).

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

147194940 is a wasteful number, since it uses less digits than its factorization.

147194940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106698 (or 106696 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 147194940 is about 12132.3921796157. The cubic root of 147194940 is about 527.9963986210.

The spelling of 147194940 in words is "one hundred forty-seven million, one hundred ninety-four thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 106663 213326 319989 426652 533315 639978 1066630 1279956 1599945 2133260 2453249 3199890 4906498 6399780 7359747 9812996 12266245 14719494 24532490 29438988 36798735 49064980 73597470 147194940