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745200030 = 23524840001
BaseRepresentation
bin101100011010101…
…101100110011110
31220221020002021010
4230122231212132
53011232400110
6201540120050
724316044561
oct5432554636
91827202233
10745200030
113527118a3
12189696026
13bb506a83
1470d824d8
1545650020
hex2c6ad99e

745200030 has 16 divisors (see below), whose sum is σ = 1788480144. Its totient is φ = 198720000.

The previous prime is 745200011. The next prime is 745200067. The reversal of 745200030 is 30002547.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 12419971 + ... + 12420030.

It is an arithmetic number, because the mean of its divisors is an integer number (111780009).

Almost surely, 2745200030 is an apocalyptic number.

745200030 is an abundant number, since it is smaller than the sum of its proper divisors (1043280114).

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

745200030 is a wasteful number, since it uses less digits than its factorization.

745200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24840011.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 745200030 is about 27298.3521480693. The cubic root of 745200030 is about 906.6178968925.

Adding to 745200030 its reverse (30002547), we get a palindrome (775202577).

The spelling of 745200030 in words is "seven hundred forty-five million, two hundred thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 24840001 49680002 74520003 124200005 149040006 248400010 372600015 745200030