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401193968 = 247219231171
BaseRepresentation
bin10111111010011…
…011101111110000
31000221220202122212
4113322123233300
51310201201333
6103450551252
712641043500
oct2772335760
91027822585
10401193968
11196510a6a
12b2438528
136516bba6
143b3d5a00
152534c448
hex17e9bbf0

401193968 has 120 divisors (see below), whose sum is σ = 994043520. Its totient is φ = 155675520.

The previous prime is 401193943. The next prime is 401193977. The reversal of 401193968 is 869391104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342023 + ... + 343193.

It is an arithmetic number, because the mean of its divisors is an integer number (8283696).

Almost surely, 2401193968 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 401193968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497021760).

401193968 is an abundant number, since it is smaller than the sum of its proper divisors (592849552).

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

401193968 is a wasteful number, since it uses less digits than its factorization.

401193968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 401193968 is about 20029.8269588132. The cubic root of 401193968 is about 737.5386741378.

It can be divided in two parts, 4011 and 93968, that added together give a palindrome (97979).

The spelling of 401193968 in words is "four hundred one million, one hundred ninety-three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 19 23 28 38 46 49 56 76 92 98 112 133 152 161 184 196 266 304 322 368 392 437 532 644 784 874 931 1064 1127 1171 1288 1748 1862 2128 2254 2342 2576 3059 3496 3724 4508 4684 6118 6992 7448 8197 9016 9368 12236 14896 16394 18032 18736 21413 22249 24472 26933 32788 42826 44498 48944 53866 57379 65576 85652 88996 107732 114758 131152 155743 171304 177992 188531 215464 229516 311486 342608 355984 377062 430928 459032 511727 622972 754124 918064 1023454 1090201 1245944 1319717 1508248 2046908 2180402 2491888 2639434 3016496 3582089 4093816 4360804 5278868 7164178 8187632 8721608 10557736 14328356 17443216 21115472 25074623 28656712 50149246 57313424 100298492 200596984 401193968