Search a number
-
+
140744632 = 23717163907
BaseRepresentation
bin10000110001110…
…01011110111000
3100210211120100011
420120321132320
5242012312012
621544351304
73326211130
oct1030713670
9323746304
10140744632
11724a0586
123b175534
132320b262
1414999ac0
15c5521a7
hex86397b8

140744632 has 64 divisors (see below), whose sum is σ = 321649920. Its totient is φ = 56360448.

The previous prime is 140744603. The next prime is 140744641. The reversal of 140744632 is 236447041.

140744632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140744594 and 140744603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154723 + ... + 155629.

It is an arithmetic number, because the mean of its divisors is an integer number (5025780).

Almost surely, 2140744632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140744632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160824960).

140744632 is an abundant number, since it is smaller than the sum of its proper divisors (180905288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140744632 is a wasteful number, since it uses less digits than its factorization.

140744632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 140744632 is about 11863.5842813207. The cubic root of 140744632 is about 520.1683774257.

It can be divided in two parts, 140744 and 632, that added together give a square (141376 = 3762).

The spelling of 140744632 in words is "one hundred forty million, seven hundred forty-four thousand, six hundred thirty-two".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 163 238 326 476 652 907 952 1141 1304 1814 2282 2771 3628 4564 5542 6349 7256 9128 11084 12698 15419 19397 22168 25396 30838 38794 50792 61676 77588 107933 123352 147841 155176 215866 295682 431732 591364 863464 1034887 1182728 2069774 2513297 4139548 5026594 8279096 10053188 17593079 20106376 35186158 70372316 140744632