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1357241025 = 35279972593
BaseRepresentation
bin101000011100101…
…1101101011000001
310111120212222200010
41100321131223001
510234423203100
6342402215133
745430233630
oct12071355301
93446788603
101357241025
116371442a8
1231a6544a9
1318825a1ca
14cc381517
157e24a750
hex50e5dac1

1357241025 has 48 divisors (see below), whose sum is σ = 2568101504. Its totient is φ = 619591680.

The previous prime is 1357241023. The next prime is 1357241047. The reversal of 1357241025 is 5201427531.

It is not a de Polignac number, because 1357241025 - 21 = 1357241023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1357240983 and 1357241001.

It is not an unprimeable number, because it can be changed into a prime (1357241021) 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, 522129 + ... + 524721.

Almost surely, 21357241025 is an apocalyptic number.

1357241025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1357241025 is a deficient number, since it is larger than the sum of its proper divisors (1210860479).

1357241025 is a wasteful number, since it uses less digits than its factorization.

1357241025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610 (or 3605 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1357241025 is about 36840.7522317338. The cubic root of 1357241025 is about 1107.1819393171.

Adding to 1357241025 its reverse (5201427531), we get a palindrome (6558668556).

The spelling of 1357241025 in words is "one billion, three hundred fifty-seven million, two hundred forty-one thousand, twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 997 2593 2991 4985 6979 7779 12965 14955 18151 20937 24925 34895 38895 54453 64825 74775 90755 104685 174475 194475 272265 453775 523425 1361325 2585221 7755663 12926105 18096547 38778315 54289641 64630525 90482735 193891575 271448205 452413675 1357241025