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77243094 = 23219673371
BaseRepresentation
bin1001001101010…
…10001011010110
312101100100121100
410212222023112
5124233234334
611355330530
71625361345
oct446521326
9171310540
1077243094
113a668975
1221a50a46
1313006596
14a389b5c
156babc99
hex49aa2d6

77243094 has 48 divisors (see below), whose sum is σ = 178850880. Its totient is φ = 24021360.

The previous prime is 77243077. The next prime is 77243147. The reversal of 77243094 is 49034277.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21229 + ... + 24599.

It is an arithmetic number, because the mean of its divisors is an integer number (3726060).

Almost surely, 277243094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77243094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89425440).

77243094 is an abundant number, since it is smaller than the sum of its proper divisors (101607786).

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

77243094 is a wasteful number, since it uses less digits than its factorization.

77243094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465 (or 3462 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 77243094 is about 8788.8050382290. The cubic root of 77243094 is about 425.8793217651.

The spelling of 77243094 in words is "seventy-seven million, two hundred forty-three thousand, ninety-four".

Divisors: 1 2 3 6 9 18 19 38 57 67 114 134 171 201 342 402 603 1206 1273 2546 3371 3819 6742 7638 10113 11457 20226 22914 30339 60678 64049 128098 192147 225857 384294 451714 576441 677571 1152882 1355142 2032713 4065426 4291283 8582566 12873849 25747698 38621547 77243094