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3145454540 = 225370942403
BaseRepresentation
bin1011101101111011…
…1101001111001100
322010012201122110022
42323132331033030
522420214021130
61240042001312
7140642631254
oct27336751714
98105648408
103145454540
111374588608
127394a6238
133b1881507
1421ba6a964
151362267e5
hexbb7bd3cc

3145454540 has 24 divisors (see below), whose sum is σ = 6607391280. Its totient is φ = 1257812928.

The previous prime is 3145454537. The next prime is 3145454573. The reversal of 3145454540 is 454545413.

It is a super-2 number, since 2×31454545402 = 19787768526413223200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3145454540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52979 + ... + 95381.

It is an arithmetic number, because the mean of its divisors is an integer number (275307970).

Almost surely, 23145454540 is an apocalyptic number.

It is an amenable number.

3145454540 is an abundant number, since it is smaller than the sum of its proper divisors (3461936740).

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

3145454540 is a wasteful number, since it uses less digits than its factorization.

3145454540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46121 (or 46119 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 3145454540 is about 56084.3520065981. The cubic root of 3145454540 is about 1465.1917713445.

Adding to 3145454540 its reverse (454545413), we get a palindrome (3599999953).

The spelling of 3145454540 in words is "three billion, one hundred forty-five million, four hundred fifty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 3709 7418 14836 18545 37090 42403 74180 84806 169612 212015 424030 848060 157272727 314545454 629090908 786363635 1572727270 3145454540