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396393725 = 5271331031
BaseRepresentation
bin10111101000000…
…111110011111101
31000121212212222002
4113220013303331
51302434044400
6103200032045
712552201560
oct2750076375
91017785862
10396393725
11193832522
12b0902625
136417b000
143a9064d7
1524beeed5
hex17a07cfd

396393725 has 48 divisors (see below), whose sum is σ = 609127680. Its totient is φ = 250660800.

The previous prime is 396393719. The next prime is 396393727. The reversal of 396393725 is 527393693.

It is not a de Polignac number, because 396393725 - 214 = 396377341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396393725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396393727) 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, 383960 + ... + 384990.

It is an arithmetic number, because the mean of its divisors is an integer number (12690160).

Almost surely, 2396393725 is an apocalyptic number.

396393725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

396393725 is a deficient number, since it is larger than the sum of its proper divisors (212733955).

396393725 is a wasteful number, since it uses less digits than its factorization.

396393725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1056 counting only the distinct ones).

The product of its digits is 918540, while the sum is 47.

The square root of 396393725 is about 19909.6389972295. The cubic root of 396393725 is about 734.5853400202.

The spelling of 396393725 in words is "three hundred ninety-six million, three hundred ninety-three thousand, seven hundred twenty-five".

Divisors: 1 5 7 13 25 35 65 91 169 175 325 455 845 1031 1183 2197 2275 4225 5155 5915 7217 10985 13403 15379 25775 29575 36085 54925 67015 76895 93821 174239 180425 335075 384475 469105 871195 1219673 2265107 2345525 4355975 6098365 11325535 15855749 30491825 56627675 79278745 396393725