Search a number
-
+
83399480 = 2353721523
BaseRepresentation
bin1001111100010…
…01001100111000
312210221010120122
410332021030320
5132322240410
612135312412
72031612113
oct476111470
9183833518
1083399480
114309329a
1223b1b708
1314380808
14b10d57a
1574c5e55
hex4f89338

83399480 has 48 divisors (see below), whose sum is σ = 192984120. Its totient is φ = 32436864.

The previous prime is 83399461. The next prime is 83399513. The reversal of 83399480 is 8499338.

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 11 ways as a sum of consecutive naturals, for example, 53999 + ... + 55521.

Almost surely, 283399480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83399480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96492060).

83399480 is an abundant number, since it is smaller than the sum of its proper divisors (109584640).

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

83399480 is a wasteful number, since it uses less digits than its factorization.

83399480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1567 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 83399480 is about 9132.3315752331. The cubic root of 83399480 is about 436.9057706753.

The spelling of 83399480 in words is "eighty-three million, three hundred ninety-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1369 1480 1523 2738 3046 5476 6092 6845 7615 10952 12184 13690 15230 27380 30460 54760 56351 60920 112702 225404 281755 450808 563510 1127020 2084987 2254040 4169974 8339948 10424935 16679896 20849870 41699740 83399480