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1238376225 = 35235414663
BaseRepresentation
bin100100111010000…
…0001111100100001
310012022020000211010
41021310001330201
510014011014400
6322514411133
742455011212
oct11164017441
93168200733
101238376225
11586038429
122a6890aa9
1316973cbc8
14ba67d409
1573abb450
hex49d01f21

1238376225 has 24 divisors (see below), whose sum is σ = 2048466112. Its totient is φ = 660139200.

The previous prime is 1238376197. The next prime is 1238376233. The reversal of 1238376225 is 5226738321.

It is not a de Polignac number, because 1238376225 - 28 = 1238375969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263244 + ... + 267906.

Almost surely, 21238376225 is an apocalyptic number.

1238376225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1238376225 is a deficient number, since it is larger than the sum of its proper divisors (810089887).

1238376225 is a wasteful number, since it uses less digits than its factorization.

1238376225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8217 (or 8212 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 1238376225 is about 35190.5701147339. The cubic root of 1238376225 is about 1073.8679194578.

The spelling of 1238376225 in words is "one billion, two hundred thirty-eight million, three hundred seventy-six thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 3541 4663 10623 13989 17705 23315 53115 69945 88525 116575 265575 349725 16511683 49535049 82558415 247675245 412792075 1238376225