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1352020430 = 251922373181
BaseRepresentation
bin101000010010110…
…0011000111001110
310111020001202100202
41100211203013032
510232104123210
6342054253502
745334661345
oct12045430716
93436052322
101352020430
116341a8a62
12318957292
1318714cbb7
14cb7c2b5c
157da689a5
hex509631ce

1352020430 has 32 divisors (see below), whose sum is σ = 2563673760. Its totient is φ = 511954560.

The previous prime is 1352020429. The next prime is 1352020463. The reversal of 1352020430 is 340202531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423440 + ... + 426620.

It is an arithmetic number, because the mean of its divisors is an integer number (80114805).

Almost surely, 21352020430 is an apocalyptic number.

1352020430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1352020430 is a deficient number, since it is larger than the sum of its proper divisors (1211653330).

1352020430 is a wasteful number, since it uses less digits than its factorization.

1352020430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1352020430 is about 36769.8304320267. The cubic root of 1352020430 is about 1105.7605323758.

Adding to 1352020430 its reverse (340202531), we get a palindrome (1692222961).

The spelling of 1352020430 in words is "one billion, three hundred fifty-two million, twenty thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 2237 3181 4474 6362 11185 15905 22370 31810 42503 60439 85006 120878 212515 302195 425030 604390 7115897 14231794 35579485 71158970 135202043 270404086 676010215 1352020430