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76956480 = 263452969
BaseRepresentation
bin1001001011001…
…00001101000000
312100210210110000
410211210031000
5124200101410
611345240000
71623055626
oct445441500
9170723400
1076956480
113a4925a7
1221933000
1312c35ca3
14a313516
156b51dc0
hex4964340

76956480 has 140 divisors (see below), whose sum is σ = 273839940. Its totient is φ = 20514816.

The previous prime is 76956469. The next prime is 76956497. The reversal of 76956480 is 8465967.

76956480 is a `hidden beast` number, since 7 + 6 + 9 + 564 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9585216 + 67371264 = 3096^2 + 8208^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24436 + ... + 27404.

Almost surely, 276956480 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 76956480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136919970).

76956480 is an abundant number, since it is smaller than the sum of its proper divisors (196883460).

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

76956480 is a wasteful number, since it uses less digits than its factorization.

76956480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 76956480 is about 8772.4842547593. The cubic root of 76956480 is about 425.3519207381.

The spelling of 76956480 in words is "seventy-six million, nine hundred fifty-six thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 135 144 160 162 180 192 216 240 270 288 320 324 360 405 432 480 540 576 648 720 810 864 960 1080 1296 1440 1620 1728 2160 2592 2880 2969 3240 4320 5184 5938 6480 8640 8907 11876 12960 14845 17814 23752 25920 26721 29690 35628 44535 47504 53442 59380 71256 80163 89070 95008 106884 118760 133605 142512 160326 178140 190016 213768 237520 240489 267210 285024 320652 356280 400815 427536 475040 480978 534420 570048 641304 712560 801630 855072 950080 961956 1068840 1202445 1282608 1425120 1603260 1710144 1923912 2137680 2404890 2565216 2850240 3206520 3847824 4275360 4809780 5130432 6413040 7695648 8550720 9619560 12826080 15391296 19239120 25652160 38478240 76956480