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76996836 = 22327243649
BaseRepresentation
bin1001001011011…
…10000011100100
312100212211210200
410211232003210
5124202344321
611350150500
71623314400
oct445560344
9170784720
1076996836
113a50a954
1221952430
1312c4b477
14a324100
156b5dd26
hex496e0e4

76996836 has 54 divisors (see below), whose sum is σ = 226412550. Its totient is φ = 21998592.

The previous prime is 76996831. The next prime is 76996841. The reversal of 76996836 is 63869967.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (76996831) and next prime (76996841).

It can be written as a sum of positive squares in only one way, i.e., 65707236 + 11289600 = 8106^2 + 3360^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76996831) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20061 + ... + 23588.

It is an arithmetic number, because the mean of its divisors is an integer number (4192825).

Almost surely, 276996836 is an apocalyptic number.

It is an amenable number.

76996836 is an abundant number, since it is smaller than the sum of its proper divisors (149415714).

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

76996836 is a wasteful number, since it uses less digits than its factorization.

76996836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43673 (or 43661 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 76996836 is about 8774.7840999081. The cubic root of 76996836 is about 425.4262593013.

It can be divided in two parts, 7699 and 6836, that added together give a triangular number (14535 = T170).

The spelling of 76996836 in words is "seventy-six million, nine hundred ninety-six thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 43649 87298 130947 174596 261894 305543 392841 523788 611086 785682 916629 1222172 1571364 1833258 2138801 2749887 3666516 4277602 5499774 6416403 8555204 10999548 12832806 19249209 25665612 38498418 76996836