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1304161425 = 335271973199
BaseRepresentation
bin100110110111011…
…1110110010010001
310100220000021011000
41031232332302101
510132331131200
6333224412213
744214121620
oct11556766221
93326007130
101304161425
1160a18a866
12304917069
1317a264168
14c52c56b7
1579763300
hex4dbbec91

1304161425 has 192 divisors, whose sum is σ = 2936320000. Its totient is φ = 554273280.

The previous prime is 1304161423. The next prime is 1304161447. The reversal of 1304161425 is 5241614031.

It is a happy number.

1304161425 is a `hidden beast` number, since 1 + 3 + 0 + 41 + 614 + 2 + 5 = 666.

It is not a de Polignac number, because 1304161425 - 21 = 1304161423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1304161421) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6553476 + ... + 6553674.

Almost surely, 21304161425 is an apocalyptic number.

1304161425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1304161425 is an abundant number, since it is smaller than the sum of its proper divisors (1632158575).

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

1304161425 is a wasteful number, since it uses less digits than its factorization.

1304161425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1304161425 is about 36113.1752273322. The cubic root of 1304161425 is about 1092.5561938396.

Adding to 1304161425 its reverse (5241614031), we get a palindrome (6545775456).

It can be divided in two parts, 130416 and 1425, that added together give a triangular number (131841 = T513).

The spelling of 1304161425 in words is "one billion, three hundred four million, one hundred sixty-one thousand, four hundred twenty-five".