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1238453225 = 52234721107
BaseRepresentation
bin100100111010001…
…0100101111101001
310012022100221102222
41021310110233221
510014021000400
6322520203425
742455451542
oct11164245751
93168327388
101238453225
11586090269
122a6909575
13169768c79
14ba69d4c9
1573ad4185
hex49d14be9

1238453225 has 12 divisors (see below), whose sum is σ = 1536409104. Its totient is φ = 990293520.

The previous prime is 1238453189. The next prime is 1238453263. The reversal of 1238453225 is 5223548321.

It is not a de Polignac number, because 1238453225 - 212 = 1238449129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48122 + ... + 69228.

It is an arithmetic number, because the mean of its divisors is an integer number (128034092).

Almost surely, 21238453225 is an apocalyptic number.

It is an amenable number.

1238453225 is a deficient number, since it is larger than the sum of its proper divisors (297955879).

1238453225 is a wasteful number, since it uses less digits than its factorization.

1238453225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23464 (or 23459 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 1238453225 is about 35191.6641408161. The cubic root of 1238453225 is about 1073.8901760533.

The spelling of 1238453225 in words is "one billion, two hundred thirty-eight million, four hundred fifty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 2347 11735 21107 58675 105535 527675 49538129 247690645 1238453225