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3145488946 = 213112005683
BaseRepresentation
bin1011101101111100…
…0101101000110010
322010012210101122121
42323133011220302
522420221121241
61240042424454
7140643133465
oct27337055062
98105711577
103145488946
111374601446
1273950212a
133b1894082
1421ba792dc
15136231ad1
hexbb7c5a32

3145488946 has 8 divisors (see below), whose sum is σ = 4754250864. Its totient is φ = 1560738660.

The previous prime is 3145488943. The next prime is 3145488949. The reversal of 3145488946 is 6498845413.

It is an interprime number because it is at equal distance from previous prime (3145488943) and next prime (3145488949).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3145488893 and 3145488902.

It is not an unprimeable number, because it can be changed into a prime (3145488943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6002580 + ... + 6003103.

It is an arithmetic number, because the mean of its divisors is an integer number (594281358).

Almost surely, 23145488946 is an apocalyptic number.

3145488946 is a deficient number, since it is larger than the sum of its proper divisors (1608761918).

3145488946 is a wasteful number, since it uses less digits than its factorization.

3145488946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12005816.

The product of its digits is 3317760, while the sum is 52.

The square root of 3145488946 is about 56084.6587401582. The cubic root of 3145488946 is about 1465.1971135723.

The spelling of 3145488946 in words is "three billion, one hundred forty-five million, four hundred eighty-eight thousand, nine hundred forty-six".

Divisors: 1 2 131 262 12005683 24011366 1572744473 3145488946