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3145545340 = 2257107209983
BaseRepresentation
bin1011101101111101…
…0011011001111100
322010012220021000021
42323133103121330
522420224422330
61240043541524
7140643460060
oct27337233174
98105807007
103145545340
11137463a853
1273952a8a4
133b18b3942
1421ba91aa0
1513624367a
hexbb7d367c

3145545340 has 48 divisors (see below), whose sum is σ = 7619899392. Its totient is φ = 1068388416.

The previous prime is 3145545329. The next prime is 3145545353. The reversal of 3145545340 is 435455413.

It is a junction number, because it is equal to n+sod(n) for n = 3145545296 and 3145545305.

It is a congruent number.

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, 90012 + ... + 119971.

It is an arithmetic number, because the mean of its divisors is an integer number (158747904).

Almost surely, 23145545340 is an apocalyptic number.

It is an amenable number.

3145545340 is an abundant number, since it is smaller than the sum of its proper divisors (4474354052).

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

3145545340 is a wasteful number, since it uses less digits than its factorization.

3145545340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210106 (or 210104 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 3145545340 is about 56085.1614957111. The cubic root of 3145545340 is about 1465.2058697979.

The spelling of 3145545340 in words is "three billion, one hundred forty-five million, five hundred forty-five thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 107 140 214 428 535 749 1070 1498 2140 2996 3745 7490 14980 209983 419966 839932 1049915 1469881 2099830 2939762 4199660 5879524 7349405 14698810 22468181 29397620 44936362 89872724 112340905 157277267 224681810 314554534 449363620 629109068 786386335 1572772670 3145545340