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30256010 = 253781773
BaseRepresentation
bin111001101101…
…0101110001010
32002221011102222
41303122232022
530221143020
63000254042
7515112641
oct163325612
962834388
1030256010
1116095874
12a171322
136364685
144038358
1529c9b25
hex1cdab8a

30256010 has 16 divisors (see below), whose sum is σ = 55933416. Its totient is φ = 11775168.

The previous prime is 30256003. The next prime is 30256027. The reversal of 30256010 is 1065203.

It can be written as a sum of positive squares in 4 ways, for example, as 30063289 + 192721 = 5483^2 + 439^2 .

It is a super-2 number, since 2×302560102 = 1830852282240200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30256010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40517 + ... + 41256.

Almost surely, 230256010 is an apocalyptic number.

30256010 is a deficient number, since it is larger than the sum of its proper divisors (25677406).

30256010 is a wasteful number, since it uses less digits than its factorization.

30256010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81817.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 30256010 is about 5500.5463365015. The cubic root of 30256010 is about 311.6046177804.

The spelling of 30256010 in words is "thirty million, two hundred fifty-six thousand, ten".

Divisors: 1 2 5 10 37 74 185 370 81773 163546 408865 817730 3025601 6051202 15128005 30256010