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144968672 = 254530271
BaseRepresentation
bin10001010010000…
…00101111100000
3101002210011122002
420221000233200
5244102444142
622215103132
73410133122
oct1051005740
9332704562
10144968672
1174916122
1240671aa8
1324059aa4
1415379212
15cad8a32
hex8a40be0

144968672 has 12 divisors (see below), whose sum is σ = 285407136. Its totient is φ = 72484320.

The previous prime is 144968671. The next prime is 144968693. The reversal of 144968672 is 276869441.

It is a super-2 number, since 2×1449686722 = 42031831722887168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144968671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2265104 + ... + 2265167.

It is an arithmetic number, because the mean of its divisors is an integer number (23783928).

Almost surely, 2144968672 is an apocalyptic number.

It is an amenable number.

144968672 is a deficient number, since it is larger than the sum of its proper divisors (140438464).

144968672 is an equidigital number, since it uses as much as digits as its factorization.

144968672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530281 (or 4530273 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 144968672 is about 12040.2936841258. The cubic root of 144968672 is about 525.3209490297.

The spelling of 144968672 in words is "one hundred forty-four million, nine hundred sixty-eight thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 4530271 9060542 18121084 36242168 72484336 144968672