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144921310 = 2514492131
BaseRepresentation
bin10001010001101…
…01001011011110
3101002200202122221
420220311023132
5244044440220
622214055554
73406545052
oct1050651336
9332622587
10144921310
1174893586
124064a5ba
1324041371
1415365c62
15cac99aa
hex8a352de

144921310 has 8 divisors (see below), whose sum is σ = 260858376. Its totient is φ = 57968520.

The previous prime is 144921307. The next prime is 144921353. The reversal of 144921310 is 13129441.

It is a happy number.

144921310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1449213102 = 42004372184232200, which contains 22 as substring.

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, 7246056 + ... + 7246075.

It is an arithmetic number, because the mean of its divisors is an integer number (32607297).

Almost surely, 2144921310 is an apocalyptic number.

144921310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144921310 is a deficient number, since it is larger than the sum of its proper divisors (115937066).

144921310 is a wasteful number, since it uses less digits than its factorization.

144921310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14492138.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 144921310 is about 12038.3267109678. The cubic root of 144921310 is about 525.2637344595.

The spelling of 144921310 in words is "one hundred forty-four million, nine hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 5 10 14492131 28984262 72460655 144921310