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29966670 = 2325378999
BaseRepresentation
bin111001001010…
…0000101001110
32002101110112200
41302110011032
530132413140
62550142330
7512466246
oct162240516
962343480
1029966670
1115a08448
12a0519a6
136292a76
143da0b26
15296e030
hex1c9414e

29966670 has 48 divisors (see below), whose sum is σ = 80028000. Its totient is φ = 7774272.

The previous prime is 29966669. The next prime is 29966689. The reversal of 29966670 is 7666992.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1170 + ... + 7829.

It is an arithmetic number, because the mean of its divisors is an integer number (1667250).

Almost surely, 229966670 is an apocalyptic number.

29966670 is an abundant number, since it is smaller than the sum of its proper divisors (50061330).

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

29966670 is a wasteful number, since it uses less digits than its factorization.

29966670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9049 (or 9046 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 29966670 is about 5474.1821306931. The cubic root of 29966670 is about 310.6081367772.

The spelling of 29966670 in words is "twenty-nine million, nine hundred sixty-six thousand, six hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 37 45 74 90 111 185 222 333 370 555 666 1110 1665 3330 8999 17998 26997 44995 53994 80991 89990 134985 161982 269970 332963 404955 665926 809910 998889 1664815 1997778 2996667 3329630 4994445 5993334 9988890 14983335 29966670