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30166670 = 2517292211
BaseRepresentation
bin111001100010…
…0111010001110
32002202121220002
41303010322032
530210313140
62554324302
7514261322
oct163047216
962677802
1030166670
1116034736
12a129692
136332b01
144013982
1529ad415
hex1cc4e8e

30166670 has 48 divisors (see below), whose sum is σ = 59827248. Its totient is φ = 10913280.

The previous prime is 30166667. The next prime is 30166679. The reversal of 30166670 is 7666103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30166679) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 142865 + ... + 143075.

It is an arithmetic number, because the mean of its divisors is an integer number (1246401).

Almost surely, 230166670 is an apocalyptic number.

30166670 is a deficient number, since it is larger than the sum of its proper divisors (29660578).

30166670 is a wasteful number, since it uses less digits than its factorization.

30166670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 30166670 is about 5492.4193212099. The cubic root of 30166670 is about 311.2976131845.

The spelling of 30166670 in words is "thirty million, one hundred sixty-six thousand, six hundred seventy".

Divisors: 1 2 5 10 17 29 34 58 85 145 170 211 290 422 493 841 986 1055 1682 2110 2465 3587 4205 4930 6119 7174 8410 12238 14297 17935 28594 30595 35870 61190 71485 104023 142970 177451 208046 354902 520115 887255 1040230 1774510 3016667 6033334 15083335 30166670