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30453045 = 3572973137
BaseRepresentation
bin111010000101…
…0110100110101
32010022011201120
41310022310311
530243444140
63004414153
7516563250
oct164126465
963264646
1030453045
111620a907
12a247359
13640326c
14408a097
152a181d0
hex1d0ad35

30453045 has 64 divisors (see below), whose sum is σ = 58821120. Its totient is φ = 13160448.

The previous prime is 30453043. The next prime is 30453079. The reversal of 30453045 is 54035403.

It is a happy number.

It is not a de Polignac number, because 30453045 - 21 = 30453043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30453043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 222217 + ... + 222353.

It is an arithmetic number, because the mean of its divisors is an integer number (919080).

Almost surely, 230453045 is an apocalyptic number.

30453045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30453045 is a deficient number, since it is larger than the sum of its proper divisors (28368075).

30453045 is a wasteful number, since it uses less digits than its factorization.

30453045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 30453045 is about 5518.4277652244. The cubic root of 30453045 is about 312.2795714860.

Adding to 30453045 its reverse (54035403), we get a palindrome (84488448).

The spelling of 30453045 in words is "thirty million, four hundred fifty-three thousand, forty-five".

Divisors: 1 3 5 7 15 21 29 35 73 87 105 137 145 203 219 365 411 435 511 609 685 959 1015 1095 1533 2055 2117 2555 2877 3045 3973 4795 6351 7665 10001 10585 11919 14385 14819 19865 27811 30003 31755 44457 50005 59595 70007 74095 83433 139055 150015 210021 222285 290029 350035 417165 870087 1050105 1450145 2030203 4350435 6090609 10151015 30453045