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76489896 = 23371931773
BaseRepresentation
bin1001000111100…
…10010010101000
312022221002102010
410203302102220
5124040134041
611331235520
71616103420
oct443622250
9168832363
1076489896
113a1a3a9a
1221748ba0
1312b017c2
14a231480
156aada16
hex48f24a8

76489896 has 128 divisors (see below), whose sum is σ = 237772800. Its totient is φ = 20010240.

The previous prime is 76489879. The next prime is 76489937. The reversal of 76489896 is 69898467.

76489896 is a nontrivial binomial coefficient, being equal to C(12369, 2).

It is a Harshad number since it is a multiple of its sum of digits (57).

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 31 ways as a sum of consecutive naturals, for example, 98566 + ... + 99338.

It is an arithmetic number, because the mean of its divisors is an integer number (1857600).

Almost surely, 276489896 is an apocalyptic number.

76489896 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

76489896 is the 12368-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76489896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118886400).

76489896 is an abundant number, since it is smaller than the sum of its proper divisors (161282904).

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

76489896 is a wasteful number, since it uses less digits than its factorization.

76489896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 835 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 76489896 is about 8745.8502159596. The cubic root of 76489896 is about 424.4905471112.

The spelling of 76489896 in words is "seventy-six million, four hundred eighty-nine thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 19 21 24 28 31 38 42 56 57 62 76 84 93 114 124 133 152 168 186 217 228 248 266 372 399 434 456 532 589 651 744 773 798 868 1064 1178 1302 1546 1596 1736 1767 2319 2356 2604 3092 3192 3534 4123 4638 4712 5208 5411 6184 7068 8246 9276 10822 12369 14136 14687 16233 16492 18552 21644 23963 24738 29374 32466 32984 43288 44061 47926 49476 58748 64932 71889 88122 95852 98952 102809 117496 129864 143778 167741 176244 191704 205618 287556 308427 335482 352488 411236 455297 503223 575112 616854 670964 822472 910594 1006446 1233708 1341928 1365891 1821188 2012892 2467416 2731782 3187079 3642376 4025784 5463564 6374158 9561237 10927128 12748316 19122474 25496632 38244948 76489896