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3145657792 = 26311585513
BaseRepresentation
bin1011101101111110…
…1110110111000000
322010020002222021011
42323133232313000
522420242022132
61240050210304
7140644435654
oct27337566700
98106088234
103145657792
111374707292
12739583994
133b1922b94
1421bac0a64
15136266b47
hexbb7eedc0

3145657792 has 28 divisors (see below), whose sum is σ = 6443528896. Its totient is φ = 1522091520.

The previous prime is 3145657777. The next prime is 3145657829. The reversal of 3145657792 is 2977565413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790773 + ... + 794740.

It is an arithmetic number, because the mean of its divisors is an integer number (230126032).

Almost surely, 23145657792 is an apocalyptic number.

3145657792 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3145657792 is an abundant number, since it is smaller than the sum of its proper divisors (3297871104).

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

3145657792 is a wasteful number, since it uses less digits than its factorization.

3145657792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585556 (or 1585546 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 49.

The square root of 3145657792 is about 56086.1639979059. The cubic root of 3145657792 is about 1465.2233297663.

The spelling of 3145657792 in words is "three billion, one hundred forty-five million, six hundred fifty-seven thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 31 32 62 64 124 248 496 992 1984 1585513 3171026 6342052 12684104 25368208 49150903 50736416 98301806 101472832 196603612 393207224 786414448 1572828896 3145657792