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512984890 = 25114663499
BaseRepresentation
bin11110100100111…
…000011100111010
31022202021022222101
4132210320130322
52022311004030
6122523014014
715466204525
oct3644703472
91282238871
10512984890
11243626160
1212396a30a
1382380472
144c1b5bbc
15300807ca
hex1e93873a

512984890 has 16 divisors (see below), whose sum is σ = 1007316000. Its totient is φ = 186539920.

The previous prime is 512984873. The next prime is 512984957. The reversal of 512984890 is 98489215.

It is a self number, because there is not a number n which added to its sum of digits gives 512984890.

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, 2331640 + ... + 2331859.

It is an arithmetic number, because the mean of its divisors is an integer number (62957250).

Almost surely, 2512984890 is an apocalyptic number.

512984890 is a deficient number, since it is larger than the sum of its proper divisors (494331110).

512984890 is a wasteful number, since it uses less digits than its factorization.

512984890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663517.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 512984890 is about 22649.1697419574. The cubic root of 512984890 is about 800.5126349782.

The spelling of 512984890 in words is "five hundred twelve million, nine hundred eighty-four thousand, eight hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 4663499 9326998 23317495 46634990 51298489 102596978 256492445 512984890