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512034428 = 22128008607
BaseRepresentation
bin11110100001010…
…000011001111100
31022200111001012002
4132201100121330
52022040100203
6122450401432
715455135513
oct3641203174
91280431162
10512034428
11243037054
12123590278
1382109969
144c00967a
152ee43d88
hex1e85067c

512034428 has 6 divisors (see below), whose sum is σ = 896060256. Its totient is φ = 256017212.

The previous prime is 512034421. The next prime is 512034449. The reversal of 512034428 is 824430215.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 512034428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512034421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64004300 + ... + 64004307.

It is an arithmetic number, because the mean of its divisors is an integer number (149343376).

Almost surely, 2512034428 is an apocalyptic number.

It is an amenable number.

512034428 is a deficient number, since it is larger than the sum of its proper divisors (384025828).

512034428 is a wasteful number, since it uses less digits than its factorization.

512034428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128008611 (or 128008609 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 512034428 is about 22628.1777436894. The cubic root of 512034428 is about 800.0179308481.

The spelling of 512034428 in words is "five hundred twelve million, thirty-four thousand, four hundred twenty-eight".

Divisors: 1 2 4 128008607 256017214 512034428