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140707044 = 22346592
BaseRepresentation
bin10000110001100…
…00010011100100
3100210202122210000
420120300103210
5242010111134
621543501300
73325663422
oct1030602344
9323678700
10140707044
1172475315
123b157830
13231c710a
141498a112
15c545e99
hex86304e4

140707044 has 45 divisors (see below), whose sum is σ = 368395027. Its totient is φ = 46831176.

The previous prime is 140707037. The next prime is 140707057. The reversal of 140707044 is 440707041.

The square root of 140707044 is 11862.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140706999 and 140707017.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 213187 + ... + 213845.

Almost surely, 2140707044 is an apocalyptic number.

140707044 is the 11862-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140707044

140707044 is an abundant number, since it is smaller than the sum of its proper divisors (227687983).

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

140707044 is an frugal number, since it uses more digits than its factorization.

140707044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The cubic root of 140707044 is about 520.1220670040.

Multiplying 140707044 by its product of nonzero digits (3136), we get a square (441257289984 = 6642722).

The spelling of 140707044 in words is "one hundred forty million, seven hundred seven thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 659 1318 1977 2636 3954 5931 7908 11862 17793 23724 35586 53379 71172 106758 213516 434281 868562 1302843 1737124 2605686 3908529 5211372 7817058 11725587 15634116 23451174 35176761 46902348 70353522 140707044