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345203460 = 223257273971
BaseRepresentation
bin10100100100110…
…110001100000100
3220001120011010100
4110210312030010
51201333002320
654130524100
711361116040
oct2444661404
9801504110
10345203460
11167949518
1297736630
1356696c04
1433bbd020
152048c790
hex14936304

345203460 has 72 divisors (see below), whose sum is σ = 1196709696. Its totient is φ = 78903360.

The previous prime is 345203449. The next prime is 345203473. The reversal of 345203460 is 64302543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135726 + ... + 138245.

It is an arithmetic number, because the mean of its divisors is an integer number (16620968).

Almost surely, 2345203460 is an apocalyptic number.

345203460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345203460 is an abundant number, since it is smaller than the sum of its proper divisors (851506236).

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

345203460 is a wasteful number, since it uses less digits than its factorization.

345203460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273993 (or 273988 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 345203460 is about 18579.6517728401. The cubic root of 345203460 is about 701.4957539902.

The spelling of 345203460 in words is "three hundred forty-five million, two hundred three thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 273971 547942 821913 1095884 1369855 1643826 1917797 2465739 2739710 3287652 3835594 4109565 4931478 5479420 5753391 7671188 8219130 9588985 9862956 11506782 12328695 16438260 17260173 19177970 23013564 24657390 28766955 34520346 38355940 49314780 57533910 69040692 86300865 115067820 172601730 345203460