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30146402 = 21113105407
BaseRepresentation
bin111001011111…
…1111101100010
32002201121002102
41302333331202
530204141102
62554050402
7514145246
oct162777542
962647072
1030146402
1116020490
12a119a02
136326810
14400a426
1529a7402
hex1cbff62

30146402 has 16 divisors (see below), whose sum is σ = 53125632. Its totient is φ = 12648720.

The previous prime is 30146401. The next prime is 30146419. The reversal of 30146402 is 20464103.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30146401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52418 + ... + 52989.

It is an arithmetic number, because the mean of its divisors is an integer number (3320352).

Almost surely, 230146402 is an apocalyptic number.

30146402 is a deficient number, since it is larger than the sum of its proper divisors (22979230).

30146402 is a wasteful number, since it uses less digits than its factorization.

30146402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105433.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 30146402 is about 5490.5739226423. The cubic root of 30146402 is about 311.2278806666.

The spelling of 30146402 in words is "thirty million, one hundred forty-six thousand, four hundred two".

Divisors: 1 2 11 13 22 26 143 286 105407 210814 1159477 1370291 2318954 2740582 15073201 30146402