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397412552 = 231071992333
BaseRepresentation
bin10111101100000…
…000100011001000
31000200210122112102
4113230000203020
51303214200202
6103233532532
712563644115
oct2754004310
91020718472
10397412552
11194368a29
12b1114148
1364446974
143aacd90c
1524d51d02
hex17b008c8

397412552 has 32 divisors (see below), whose sum is σ = 756216000. Its totient is φ = 195776064.

The previous prime is 397412551. The next prime is 397412563. The reversal of 397412552 is 255214793.

It is not an unprimeable number, because it can be changed into a prime (397412551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169178 + ... + 171510.

It is an arithmetic number, because the mean of its divisors is an integer number (23631750).

Almost surely, 2397412552 is an apocalyptic number.

It is an amenable number.

397412552 is a deficient number, since it is larger than the sum of its proper divisors (358803448).

397412552 is a wasteful number, since it uses less digits than its factorization.

397412552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645 (or 2641 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 397412552 is about 19935.2088526807. The cubic root of 397412552 is about 735.2141551289.

The spelling of 397412552 in words is "three hundred ninety-seven million, four hundred twelve thousand, five hundred fifty-two".

Divisors: 1 2 4 8 107 199 214 398 428 796 856 1592 2333 4666 9332 18664 21293 42586 85172 170344 249631 464267 499262 928534 998524 1857068 1997048 3714136 49676569 99353138 198706276 397412552