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144432074 = 2699710321
BaseRepresentation
bin10001001101111…
…01101111001010
3101001202220120002
420212331233022
5243433311244
622155403002
73402436523
oct1046755712
9331686502
10144432074
1174589a56
1240453462
1323bcc787
141527984a
15ca2ea4e
hex89bdbca

144432074 has 8 divisors (see below), whose sum is σ = 216700068. Its totient is φ = 72198720.

The previous prime is 144432073. The next prime is 144432077. The reversal of 144432074 is 470234441.

It can be written as a sum of positive squares in 2 ways, for example, as 143880025 + 552049 = 11995^2 + 743^2 .

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 (144432073) 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, 8834 + ... + 19154.

Almost surely, 2144432074 is an apocalyptic number.

144432074 is a deficient number, since it is larger than the sum of its proper divisors (72267994).

144432074 is a wasteful number, since it uses less digits than its factorization.

144432074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17320.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 144432074 is about 12017.9895989304. The cubic root of 144432074 is about 524.6719934497.

The spelling of 144432074 in words is "one hundred forty-four million, four hundred thirty-two thousand, seventy-four".

Divisors: 1 2 6997 10321 13994 20642 72216037 144432074