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80650442 = 21033791033
BaseRepresentation
bin1001100111010…
…10000011001010
312121202110121102
410303222003022
5131121303232
612000341402
71666342325
oct463520312
9177673542
1080650442
1141585964
1223014862
131392a472
14a9d57bc
157131662
hex4cea0ca

80650442 has 16 divisors (see below), whose sum is σ = 122591040. Its totient is φ = 39789792.

The previous prime is 80650411. The next prime is 80650457. The reversal of 80650442 is 24405608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77558 + ... + 78590.

It is an arithmetic number, because the mean of its divisors is an integer number (7661940).

Almost surely, 280650442 is an apocalyptic number.

80650442 is a deficient number, since it is larger than the sum of its proper divisors (41940598).

80650442 is a wasteful number, since it uses less digits than its factorization.

80650442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 80650442 is about 8980.5591139973. The cubic root of 80650442 is about 432.0515663467.

The spelling of 80650442 in words is "eighty million, six hundred fifty thousand, four hundred forty-two".

Divisors: 1 2 103 206 379 758 1033 2066 39037 78074 106399 212798 391507 783014 40325221 80650442