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7421192934 = 23372472409
BaseRepresentation
bin1101110100101011…
…00110101011100110
3201011012021122212120
412322111212223212
5110144311133214
63224221530410
7351622046001
oct67225465346
921135248776
107421192934
113169085101
121531413a06
1391365792c
1450587a538
152d67b6ea9
hex1ba566ae6

7421192934 has 72 divisors (see below), whose sum is σ = 15623947080. Its totient is φ = 2349903744.

The previous prime is 7421192917. The next prime is 7421192939. The reversal of 7421192934 is 4392911247.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421192939) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 18144522 + ... + 18144930.

It is an arithmetic number, because the mean of its divisors is an integer number (216999265).

Almost surely, 27421192934 is an apocalyptic number.

7421192934 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

7421192934 is an abundant number, since it is smaller than the sum of its proper divisors (8202754146).

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

7421192934 is a wasteful number, since it uses less digits than its factorization.

7421192934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 498 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 7421192934 is about 86146.3460281398. The cubic root of 7421192934 is about 1950.5536831405.

The spelling of 7421192934 in words is "seven billion, four hundred twenty-one million, one hundred ninety-two thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 37 47 74 94 111 141 222 282 409 818 1227 1369 1739 2209 2454 2738 3478 4107 4418 5217 6627 8214 10434 13254 15133 19223 30266 38446 45399 57669 64343 81733 90798 115338 128686 163466 193029 245199 386058 490398 559921 711251 903481 1119842 1422502 1679763 1806962 2133753 2710443 3024121 3359526 4267506 5420886 6048242 9072363 18144726 26316287 33428797 52632574 66857594 78948861 100286391 157897722 200572782 1236865489 2473730978 3710596467 7421192934