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1351992852 = 223275365051
BaseRepresentation
bin101000010010101…
…1100011000010100
310111020000100112100
41100211130120110
510232102232402
6342053522100
745334515060
oct12045343024
93436010470
101351992852
1163418a271
12318943330
13187140492
14cb7b6aa0
157da6071c
hex5095c614

1351992852 has 36 divisors (see below), whose sum is σ = 3905757856. Its totient is φ = 386283600.

The previous prime is 1351992833. The next prime is 1351992853. The reversal of 1351992852 is 2582991531.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1351992798 and 1351992807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351992853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2682274 + ... + 2682777.

Almost surely, 21351992852 is an apocalyptic number.

1351992852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1351992852 is an abundant number, since it is smaller than the sum of its proper divisors (2553765004).

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

1351992852 is a wasteful number, since it uses less digits than its factorization.

1351992852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365068 (or 5365063 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 1351992852 is about 36769.4554215860. The cubic root of 1351992852 is about 1105.7530140301.

The spelling of 1351992852 in words is "one billion, three hundred fifty-one million, nine hundred ninety-two thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 5365051 10730102 16095153 21460204 32190306 37555357 48285459 64380612 75110714 96570918 112666071 150221428 193141836 225332142 337998213 450664284 675996426 1351992852