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68873472 = 2832167179
BaseRepresentation
bin1000001101011…
…10110100000000
311210121010122100
410012232310000
5120112422342
610500110400
71464262203
oct406566400
9153533570
1068873472
1135971728
121b095400
1311365b45
14920b93a
1560a6e4c
hex41aed00

68873472 has 108 divisors (see below), whose sum is σ = 200884320. Its totient is φ = 22692864.

The previous prime is 68873437. The next prime is 68873489. The reversal of 68873472 is 27437886.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384679 + ... + 384857.

It is an arithmetic number, because the mean of its divisors is an integer number (1860040).

Almost surely, 268873472 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 68873472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100442160).

68873472 is an abundant number, since it is smaller than the sum of its proper divisors (132010848).

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

68873472 is a wasteful number, since it uses less digits than its factorization.

68873472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 351 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 68873472 is about 8299.0042776227. The cubic root of 68873472 is about 409.9057328390.

The spelling of 68873472 in words is "sixty-eight million, eight hundred seventy-three thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 167 179 192 256 288 334 358 384 501 537 576 668 716 768 1002 1074 1152 1336 1432 1503 1611 2004 2148 2304 2672 2864 3006 3222 4008 4296 5344 5728 6012 6444 8016 8592 10688 11456 12024 12888 16032 17184 21376 22912 24048 25776 29893 32064 34368 42752 45824 48096 51552 59786 64128 68736 89679 96192 103104 119572 128256 137472 179358 192384 206208 239144 269037 358716 384768 412416 478288 538074 717432 956576 1076148 1434864 1913152 2152296 2869728 3826304 4304592 5739456 7652608 8609184 11478912 17218368 22957824 34436736 68873472