Search a number
-
+
144724634 = 2197195297
BaseRepresentation
bin10001010000001…
…01001010011010
3101002022202212122
420220011022122
5244022142014
622205541242
73405065465
oct1050051232
9332282778
10144724634
117476983a
1240574822
1323ca29a2
14153142dc
15ca8b58e
hex8a0529a

144724634 has 16 divisors (see below), whose sum is σ = 228873600. Its totient is φ = 68445504.

The previous prime is 144724633. The next prime is 144724639. The reversal of 144724634 is 436427441.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144724594 and 144724603.

It is not an unprimeable number, because it can be changed into a prime (144724631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24674 + ... + 29970.

It is an arithmetic number, because the mean of its divisors is an integer number (14304600).

Almost surely, 2144724634 is an apocalyptic number.

144724634 is a deficient number, since it is larger than the sum of its proper divisors (84148966).

144724634 is a wasteful number, since it uses less digits than its factorization.

144724634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037.

The product of its digits is 64512, while the sum is 35.

The square root of 144724634 is about 12030.1551943439. The cubic root of 144724634 is about 525.0260111073.

The spelling of 144724634 in words is "one hundred forty-four million, seven hundred twenty-four thousand, six hundred thirty-four".

Divisors: 1 2 19 38 719 1438 5297 10594 13661 27322 100643 201286 3808543 7617086 72362317 144724634