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512268340 = 225123120807
BaseRepresentation
bin11110100010001…
…001100000110100
31022200220221001111
4132202021200310
52022120041330
6122455404404
715460131463
oct3642114064
91280827044
10512268340
11243186871
12123683704
138218c27c
144c06a9da
152ee8d32a
hex1e889834

512268340 has 24 divisors (see below), whose sum is σ = 1076689152. Its totient is φ = 204731040.

The previous prime is 512268313. The next prime is 512268353. The reversal of 512268340 is 43862215.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 14217 + ... + 35023.

It is an arithmetic number, because the mean of its divisors is an integer number (44862048).

Almost surely, 2512268340 is an apocalyptic number.

It is an amenable number.

512268340 is an abundant number, since it is smaller than the sum of its proper divisors (564420812).

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

512268340 is a wasteful number, since it uses less digits than its factorization.

512268340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22047 (or 22045 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 512268340 is about 22633.3457535557. The cubic root of 512268340 is about 800.1397360076.

The spelling of 512268340 in words is "five hundred twelve million, two hundred sixty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1231 2462 4924 6155 12310 20807 24620 41614 83228 104035 208070 416140 25613417 51226834 102453668 128067085 256134170 512268340