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396888252 = 2231031073001
BaseRepresentation
bin10111101010000…
…000100010111100
31000122211000022220
4113222000202330
51303100411002
6103214405340
712556331415
oct2752004274
91018730286
10396888252
11194040022
12b0b00850
13642c2127
143a9d480c
1524c9b7bc
hex17a808bc

396888252 has 48 divisors (see below), whose sum is σ = 944116992. Its totient is φ = 129744000.

The previous prime is 396888251. The next prime is 396888263. The reversal of 396888252 is 252888693.

It is a junction number, because it is equal to n+sod(n) for n = 396888195 and 396888204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396888251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 130752 + ... + 133752.

It is an arithmetic number, because the mean of its divisors is an integer number (19669104).

Almost surely, 2396888252 is an apocalyptic number.

It is an amenable number.

396888252 is an abundant number, since it is smaller than the sum of its proper divisors (547228740).

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

396888252 is a wasteful number, since it uses less digits than its factorization.

396888252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218 (or 3216 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 396888252 is about 19922.0544121333. The cubic root of 396888252 is about 734.8906940975.

The spelling of 396888252 in words is "three hundred ninety-six million, eight hundred eighty-eight thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 103 107 206 214 309 321 412 428 618 642 1236 1284 3001 6002 9003 11021 12004 18006 22042 33063 36012 44084 66126 132252 309103 321107 618206 642214 927309 963321 1236412 1284428 1854618 1926642 3709236 3853284 33074021 66148042 99222063 132296084 198444126 396888252