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144772514 = 2193809803
BaseRepresentation
bin10001010000100…
…00110110100010
3101002102012112222
420220100312202
5244030210024
622210551042
73405355205
oct1050206642
9332365488
10144772514
11747a1807
1240598482
1323cbb713
141532793c
15ca9a85e
hex8a10da2

144772514 has 8 divisors (see below), whose sum is σ = 228588240. Its totient is φ = 68576436.

The previous prime is 144772499. The next prime is 144772519. The reversal of 144772514 is 415277441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (144772519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904864 + ... + 1904939.

It is an arithmetic number, because the mean of its divisors is an integer number (28573530).

Almost surely, 2144772514 is an apocalyptic number.

144772514 is a deficient number, since it is larger than the sum of its proper divisors (83815726).

144772514 is a wasteful number, since it uses less digits than its factorization.

144772514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809824.

The product of its digits is 31360, while the sum is 35.

The square root of 144772514 is about 12032.1450290462. The cubic root of 144772514 is about 525.0839037480.

The spelling of 144772514 in words is "one hundred forty-four million, seven hundred seventy-two thousand, five hundred fourteen".

Divisors: 1 2 19 38 3809803 7619606 72386257 144772514