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1355402425 = 521371151389
BaseRepresentation
bin101000011001001…
…1100110010111001
310111110102120120211
41100302130302321
510233440334200
6342254551121
745405505366
oct12062346271
93443376524
101355402425
116360a89a3
12319b084a1
13187a65390
14cc02346d
157ded5aba
hex50c9ccb9

1355402425 has 48 divisors (see below), whose sum is σ = 1852381440. Its totient is φ = 977760000.

The previous prime is 1355402423. The next prime is 1355402431. The reversal of 1355402425 is 5242045531.

It is not a de Polignac number, because 1355402425 - 21 = 1355402423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1355402423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3484131 + ... + 3484519.

It is an arithmetic number, because the mean of its divisors is an integer number (38591280).

Almost surely, 21355402425 is an apocalyptic number.

It is an amenable number.

1355402425 is a deficient number, since it is larger than the sum of its proper divisors (496979015).

1355402425 is a wasteful number, since it uses less digits than its factorization.

1355402425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1355402425 is about 36815.7904301945. The cubic root of 1355402425 is about 1106.6817617314.

Adding to 1355402425 its reverse (5242045531), we get a palindrome (6597447956).

The spelling of 1355402425 in words is "one billion, three hundred fifty-five million, four hundred two thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 71 151 325 355 389 755 923 1775 1945 1963 3775 4615 5057 9725 9815 10721 23075 25285 27619 49075 53605 58739 126425 138095 139373 268025 293695 359047 690475 696865 763607 1468475 1795235 3484325 3818035 4170469 8976175 19090175 20852345 54216097 104261725 271080485 1355402425