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83248480 = 2557239311
BaseRepresentation
bin1001111011001…
…00010101100000
312210122110110001
410331210111200
5132302422410
612132145344
72030412640
oct475442540
9183573401
1083248480
1142a9a8a7
1223a68254
1314329b73
14b0b0520
15749633a
hex4f64560

83248480 has 96 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 28331520.

The previous prime is 83248471. The next prime is 83248489. The reversal of 83248480 is 8484238.

It is an interprime number because it is at equal distance from previous prime (83248471) and next prime (83248489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83248489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267525 + ... + 267835.

It is an arithmetic number, because the mean of its divisors is an integer number (2358720).

Almost surely, 283248480 is an apocalyptic number.

83248480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83248480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113218560).

83248480 is an abundant number, since it is smaller than the sum of its proper divisors (143188640).

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

83248480 is a wasteful number, since it uses less digits than its factorization.

83248480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 83248480 is about 9124.0604995802. The cubic root of 83248480 is about 436.6419295921.

The spelling of 83248480 in words is "eighty-three million, two hundred forty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 239 280 311 478 560 622 956 1120 1195 1244 1555 1673 1912 2177 2390 2488 3110 3346 3824 4354 4780 4976 6220 6692 7648 8365 8708 9560 9952 10885 12440 13384 16730 17416 19120 21770 24880 26768 33460 34832 38240 43540 49760 53536 66920 69664 74329 87080 133840 148658 174160 267680 297316 348320 371645 520303 594632 743290 1040606 1189264 1486580 2081212 2378528 2601515 2973160 4162424 5203030 5946320 8324848 10406060 11892640 16649696 20812120 41624240 83248480