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80009450 = 25231411259
BaseRepresentation
bin1001100010011…
…01100011101010
312120112220022222
410301031203222
5130440300300
611534514042
71661032463
oct461154352
9176486288
1080009450
1141188314
1222965922
1313764791
14a8a9d6a
157056785
hex4c4d8ea

80009450 has 48 divisors (see below), whose sum is σ = 157489920. Its totient is φ = 30192000.

The previous prime is 80009443. The next prime is 80009471. The reversal of 80009450 is 5490008.

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, 62921 + ... + 64179.

It is an arithmetic number, because the mean of its divisors is an integer number (3281040).

Almost surely, 280009450 is an apocalyptic number.

80009450 is a deficient number, since it is larger than the sum of its proper divisors (77480470).

80009450 is a wasteful number, since it uses less digits than its factorization.

80009450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 80009450 is about 8944.8001654593. The cubic root of 80009450 is about 430.9039035116.

Adding to 80009450 its reverse (5490008), we get a palindrome (85499458).

The spelling of 80009450 in words is "eighty million, nine thousand, four hundred fifty".

Divisors: 1 2 5 10 25 31 41 50 62 82 155 205 310 410 775 1025 1259 1271 1550 2050 2518 2542 6295 6355 12590 12710 31475 31775 39029 51619 62950 63550 78058 103238 195145 258095 390290 516190 975725 1290475 1600189 1951450 2580950 3200378 8000945 16001890 40004725 80009450