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78035230 = 25713292957
BaseRepresentation
bin1001010011010…
…11100100011110
312102211121012201
410221223210132
5124434111410
611424322114
71635200650
oct451534436
9172747181
1078035230
114005a029
122217333a
1313222cc0
14a5146d0
156cb683a
hex4a6b91e

78035230 has 64 divisors (see below), whose sum is σ = 178899840. Its totient is φ = 23837184.

The previous prime is 78035213. The next prime is 78035249. The reversal of 78035230 is 3253087.

78035230 is a modest number, since divided by 35230 gives 780 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24912 + ... + 27868.

It is an arithmetic number, because the mean of its divisors is an integer number (2795310).

Almost surely, 278035230 is an apocalyptic number.

78035230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78035230 is an abundant number, since it is smaller than the sum of its proper divisors (100864610).

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

78035230 is a wasteful number, since it uses less digits than its factorization.

78035230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 78035230 is about 8833.7551471614. The cubic root of 78035230 is about 427.3301857375.

The spelling of 78035230 in words is "seventy-eight million, thirty-five thousand, two hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 29 35 58 65 70 91 130 145 182 203 290 377 406 455 754 910 1015 1885 2030 2639 2957 3770 5278 5914 13195 14785 20699 26390 29570 38441 41398 76882 85753 103495 171506 192205 206990 269087 384410 428765 538174 600271 857530 1114789 1200542 1345435 2229578 2690870 3001355 5573945 6002710 7803523 11147890 15607046 39017615 78035230