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30700010 = 25111937397
BaseRepresentation
bin111010100011…
…1000111101010
32010202201111102
41311013013222
530324400020
63014001402
7521642255
oct165070752
963681442
1030700010
1116369410
12a346262
13648b7b3
14411209c
152a66475
hex1d471ea

30700010 has 64 divisors (see below), whose sum is σ = 65335680. Its totient is φ = 10264320.

The previous prime is 30699997. The next prime is 30700037. The reversal of 30700010 is 1000703.

It is a super-2 number, since 2×307000102 = 1884981228000200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a junction number, because it is equal to n+sod(n) for n = 30699964 and 30700000.

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, 77132 + ... + 77528.

It is an arithmetic number, because the mean of its divisors is an integer number (1020870).

Almost surely, 230700010 is an apocalyptic number.

30700010 is an abundant number, since it is smaller than the sum of its proper divisors (34635670).

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

30700010 is a wasteful number, since it uses less digits than its factorization.

30700010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471.

The product of its (nonzero) digits is 21, while the sum is 11.

The square root of 30700010 is about 5540.7589732815. The cubic root of 30700010 is about 313.1214640844.

Adding to 30700010 its reverse (1000703), we get a palindrome (31700713).

The spelling of 30700010 in words is "thirty million, seven hundred thousand, ten".

Divisors: 1 2 5 10 11 19 22 37 38 55 74 95 110 185 190 209 370 397 407 418 703 794 814 1045 1406 1985 2035 2090 3515 3970 4070 4367 7030 7543 7733 8734 14689 15086 15466 21835 29378 37715 38665 43670 73445 75430 77330 82973 146890 161579 165946 279091 323158 414865 558182 807895 829730 1395455 1615790 2790910 3070001 6140002 15350005 30700010