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76000000 = 285619
BaseRepresentation
bin1001000011110…
…10101100000000
312022000012101211
410201322230000
5123424000000
611312535504
71611663226
oct441725400
9168005354
1076000000
1139999a1a
1221551594
131298c81b
14a144b16
156a137ba
hex487ab00

76000000 has 126 divisors (see below), whose sum is σ = 199606820. Its totient is φ = 28800000.

The previous prime is 75999997. The next prime is 76000021. The reversal of 76000000 is 67.

Adding to 76000000 its reverse (67), we get a palindrome (76000067).

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3999991 + ... + 4000009.

Almost surely, 276000000 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 76000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99803410).

76000000 is an abundant number, since it is smaller than the sum of its proper divisors (123606820).

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

76000000 is an frugal number, since it uses more digits than its factorization.

76000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 76000000 is about 8717.7978870813. The cubic root of 76000000 is about 423.5823584255.

The spelling of 76000000 in words is "seventy-six million", and thus it is an aban number and an uban number.

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 64 76 80 95 100 125 128 152 160 190 200 250 256 304 320 380 400 475 500 608 625 640 760 800 950 1000 1216 1250 1280 1520 1600 1900 2000 2375 2432 2500 3040 3125 3200 3800 4000 4750 4864 5000 6080 6250 6400 7600 8000 9500 10000 11875 12160 12500 15200 15625 16000 19000 20000 23750 24320 25000 30400 31250 32000 38000 40000 47500 50000 59375 60800 62500 76000 80000 95000 100000 118750 121600 125000 152000 160000 190000 200000 237500 250000 296875 304000 380000 400000 475000 500000 593750 608000 760000 800000 950000 1000000 1187500 1520000 1900000 2000000 2375000 3040000 3800000 4000000 4750000 7600000 9500000 15200000 19000000 38000000 76000000