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144749038 = 2721477031
BaseRepresentation
bin10001010000010…
…11000111101110
3101002101000100111
420220023013232
5244023432123
622210250234
73405226600
oct1050130756
9332330314
10144749038
1174786105
124058697a
1323cb0b25
141531d170
15ca9390d
hex8a0b1ee

144749038 has 12 divisors (see below), whose sum is σ = 252572472. Its totient is φ = 62035260.

The previous prime is 144749027. The next prime is 144749083. The reversal of 144749038 is 830947441.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 738418 + ... + 738613.

It is an arithmetic number, because the mean of its divisors is an integer number (21047706).

Almost surely, 2144749038 is an apocalyptic number.

144749038 is a deficient number, since it is larger than the sum of its proper divisors (107823434).

144749038 is a wasteful number, since it uses less digits than its factorization.

144749038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477047 (or 1477040 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 144749038 is about 12031.1694360939. The cubic root of 144749038 is about 525.0555200543.

The spelling of 144749038 in words is "one hundred forty-four million, seven hundred forty-nine thousand, thirty-eight".

Divisors: 1 2 7 14 49 98 1477031 2954062 10339217 20678434 72374519 144749038