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1355421402 = 232659911411
BaseRepresentation
bin101000011001010…
…0001011011011010
310111110110112121200
41100302201123122
510233441441102
6342255215030
745405614616
oct12062413332
93443415550
101355421402
11636111185
12319b17476
13187a70bca
14cc02a346
157dedb51c
hex50ca16da

1355421402 has 24 divisors (see below), whose sum is σ = 2937448800. Its totient is φ = 451699080.

The previous prime is 1355421383. The next prime is 1355421409. The reversal of 1355421402 is 2041245531.

It is not an unprimeable number, because it can be changed into a prime (1355421409) 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, 113077 + ... + 124487.

It is an arithmetic number, because the mean of its divisors is an integer number (122393700).

Almost surely, 21355421402 is an apocalyptic number.

1355421402 is an abundant number, since it is smaller than the sum of its proper divisors (1582027398).

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

1355421402 is a wasteful number, since it uses less digits than its factorization.

1355421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18018 (or 18015 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1355421402 is about 36816.0481583779. The cubic root of 1355421402 is about 1106.6869265940.

Adding to 1355421402 its reverse (2041245531), we get a palindrome (3396666933).

The spelling of 1355421402 in words is "one billion, three hundred fifty-five million, four hundred twenty-one thousand, four hundred two".

Divisors: 1 2 3 6 9 18 6599 11411 13198 19797 22822 34233 39594 59391 68466 102699 118782 205398 75301189 150602378 225903567 451807134 677710701 1355421402