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80103450 = 2352776289
BaseRepresentation
bin1001100011001…
…00100000011010
312120201200021110
410301210200122
5131001302300
611540521150
71661603520
oct461444032
9176650243
1080103450
11412419a9
12229b01b6
13137984bb
14a8d2310
157074550
hex4c6481a

80103450 has 48 divisors (see below), whose sum is σ = 227039040. Its totient is φ = 18309120.

The previous prime is 80103347. The next prime is 80103461. The reversal of 80103450 is 5430108.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37095 + ... + 39194.

It is an arithmetic number, because the mean of its divisors is an integer number (4729980).

Almost surely, 280103450 is an apocalyptic number.

80103450 is an abundant number, since it is smaller than the sum of its proper divisors (146935590).

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

80103450 is a wasteful number, since it uses less digits than its factorization.

80103450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76311 (or 76306 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 80103450 is about 8950.0530724683. The cubic root of 80103450 is about 431.0725882303.

Adding to 80103450 its reverse (5430108), we get a palindrome (85533558).

The spelling of 80103450 in words is "eighty million, one hundred three thousand, four hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 150 175 210 350 525 1050 76289 152578 228867 381445 457734 534023 762890 1068046 1144335 1602069 1907225 2288670 2670115 3204138 3814450 5340230 5721675 8010345 11443350 13350575 16020690 26701150 40051725 80103450