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76994880 = 2635139577
BaseRepresentation
bin1001001011011…
…01100101000000
312100212202010020
410211231211000
5124202314010
611350133440
71623305604
oct445554500
9170782106
1076994880
113a509436
1221951280
1312c4a601
14a323504
156b5d470
hex496d940

76994880 has 112 divisors (see below), whose sum is σ = 246644160. Its totient is φ = 20348928.

The previous prime is 76994851. The next prime is 76994927. The reversal of 76994880 is 8849967.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 133152 + ... + 133728.

It is an arithmetic number, because the mean of its divisors is an integer number (2202180).

Almost surely, 276994880 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 76994880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123322080).

76994880 is an abundant number, since it is smaller than the sum of its proper divisors (169649280).

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

76994880 is a wasteful number, since it uses less digits than its factorization.

76994880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 76994880 is about 8774.6726434665. The cubic root of 76994880 is about 425.4226568121.

The spelling of 76994880 in words is "seventy-six million, nine hundred ninety-four thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 139 160 192 240 278 320 417 480 556 577 695 834 960 1112 1154 1390 1668 1731 2085 2224 2308 2780 2885 3336 3462 4170 4448 4616 5560 5770 6672 6924 8340 8655 8896 9232 11120 11540 13344 13848 16680 17310 18464 22240 23080 26688 27696 33360 34620 36928 44480 46160 55392 66720 69240 80203 92320 110784 133440 138480 160406 184640 240609 276960 320812 401015 481218 553920 641624 802030 962436 1203045 1283248 1604060 1924872 2406090 2566496 3208120 3849744 4812180 5132992 6416240 7699488 9624360 12832480 15398976 19248720 25664960 38497440 76994880