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3500000490 = 235716666669
BaseRepresentation
bin1101000010011101…
…1100010011101010
3100000220212110001210
43100213130103222
524132000003430
61335145053550
7152506341030
oct32047342352
910026773053
103500000490
111536728198
128181872b6
1343a16990c
14252b9c550
1515740c2b0
hexd09dc4ea

3500000490 has 32 divisors (see below), whose sum is σ = 9600001920. Its totient is φ = 800000064.

The previous prime is 3500000489. The next prime is 3500000563. The reversal of 3500000490 is 940000053.

3500000490 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8333125 + ... + 8333544.

It is an arithmetic number, because the mean of its divisors is an integer number (300000060).

Almost surely, 23500000490 is an apocalyptic number.

3500000490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3500000490 is an abundant number, since it is smaller than the sum of its proper divisors (6100001430).

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

3500000490 is a wasteful number, since it uses less digits than its factorization.

3500000490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16666686.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3500000490 is about 59160.8019722519. The cubic root of 3500000490 is about 1518.2945567916.

The spelling of 3500000490 in words is "three billion, five hundred million, four hundred ninety", and thus it is an aban number.

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 16666669 33333338 50000007 83333345 100000014 116666683 166666690 233333366 250000035 350000049 500000070 583333415 700000098 1166666830 1750000245 3500000490