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397062672 = 24371263443
BaseRepresentation
bin10111101010101…
…011001000010000
31000200010212120220
4113222223020100
51303122001142
6103222233040
712560656056
oct2752531020
91020125526
10397062672
1119414a076
12b0b85780
1364353636
143aa3c1d6
1524cd32ec
hex17aab210

397062672 has 80 divisors (see below), whose sum is σ = 1046504448. Its totient is φ = 129700480.

The previous prime is 397062671. The next prime is 397062691. The reversal of 397062672 is 276260793.

It is not an unprimeable number, because it can be changed into a prime (397062671) 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, 896083 + ... + 896525.

Almost surely, 2397062672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397062672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523252224).

397062672 is an abundant number, since it is smaller than the sum of its proper divisors (649441776).

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

397062672 is a wasteful number, since it uses less digits than its factorization.

397062672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 397062672 is about 19926.4314918653. The cubic root of 397062672 is about 734.9983321726.

The spelling of 397062672 in words is "three hundred ninety-seven million, sixty-two thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 71 142 213 263 284 426 443 526 568 789 852 886 1052 1136 1329 1578 1704 1772 2104 2658 3156 3408 3544 4208 5316 6312 7088 10632 12624 18673 21264 31453 37346 56019 62906 74692 94359 112038 116509 125812 149384 188718 224076 233018 251624 298768 349527 377436 448152 466036 503248 699054 754872 896304 932072 1398108 1509744 1864144 2796216 5592432 8272139 16544278 24816417 33088556 49632834 66177112 99265668 132354224 198531336 397062672