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30453628 = 2217942533
BaseRepresentation
bin111010000101…
…0111101111100
32010022012112011
41310022331330
530244004003
63004421004
7516565042
oct164127574
963265464
1030453628
1116210297
12a247764
1364035ca
14408a392
152a1846d
hex1d0af7c

30453628 has 12 divisors (see below), whose sum is σ = 53592840. Its totient is φ = 15141392.

The previous prime is 30453569. The next prime is 30453653. The reversal of 30453628 is 82635403.

It is a self number, because there is not a number n which added to its sum of digits gives 30453628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20551 + ... + 21982.

It is an arithmetic number, because the mean of its divisors is an integer number (4466070).

Almost surely, 230453628 is an apocalyptic number.

It is an amenable number.

30453628 is a deficient number, since it is larger than the sum of its proper divisors (23139212).

30453628 is a wasteful number, since it uses less digits than its factorization.

30453628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42716 (or 42714 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 30453628 is about 5518.4805879880. The cubic root of 30453628 is about 312.2815642569.

The spelling of 30453628 in words is "thirty million, four hundred fifty-three thousand, six hundred twenty-eight".

Divisors: 1 2 4 179 358 716 42533 85066 170132 7613407 15226814 30453628