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1352025520 = 245147111489
BaseRepresentation
bin101000010010110…
…0100010110110000
310111020002000100021
41100211210112300
510232104304040
6342054333224
745335012236
oct12045442660
93436060307
101352025520
1163420186a
1231895a214
13187152301
14cb7c4956
157da6a24a
hex509645b0

1352025520 has 40 divisors (see below), whose sum is σ = 3145870080. Its totient is φ = 540395520.

The previous prime is 1352025517. The next prime is 1352025527. The reversal of 1352025520 is 255202531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1352025527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111936 + ... + 123424.

It is an arithmetic number, because the mean of its divisors is an integer number (78646752).

Almost surely, 21352025520 is an apocalyptic number.

1352025520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352025520 is an abundant number, since it is smaller than the sum of its proper divisors (1793844560).

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

1352025520 is a wasteful number, since it uses less digits than its factorization.

1352025520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12973 (or 12967 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1352025520 is about 36769.8996463140. The cubic root of 1352025520 is about 1105.7619200063.

The spelling of 1352025520 in words is "one billion, three hundred fifty-two million, twenty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1471 2942 5884 7355 11489 11768 14710 22978 23536 29420 45956 57445 58840 91912 114890 117680 183824 229780 459560 919120 16900319 33800638 67601276 84501595 135202552 169003190 270405104 338006380 676012760 1352025520