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1352770428 = 223112730869
BaseRepresentation
bin101000010100001…
…1010001101111100
310111021110212011110
41100220122031330
510232302123203
6342122322020
745344234052
oct12050321574
93437425143
101352770428
11634670499
12319059310
13187353399
14cb93a1d2
157db65d03
hex50a1a37c

1352770428 has 12 divisors (see below), whose sum is σ = 3156464360. Its totient is φ = 450923472.

The previous prime is 1352770423. The next prime is 1352770429. The reversal of 1352770428 is 8240772531.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352770421) 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, 56365423 + ... + 56365446.

Almost surely, 21352770428 is an apocalyptic number.

It is an amenable number.

1352770428 is an abundant number, since it is smaller than the sum of its proper divisors (1803693932).

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

1352770428 is a wasteful number, since it uses less digits than its factorization.

1352770428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112730876 (or 112730874 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 1352770428 is about 36780.0275693208. The cubic root of 1352770428 is about 1105.9649584997.

The spelling of 1352770428 in words is "one billion, three hundred fifty-two million, seven hundred seventy thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 112730869 225461738 338192607 450923476 676385214 1352770428