Search a number
-
+
140745410 = 251329371009
BaseRepresentation
bin10000110001110…
…01101011000010
3100210211121101222
420120321223002
5242012323120
621544355042
73326213321
oct1030715302
9323747358
10140745410
11724a1123
123b175a82
132320b710
141499a0b8
15c552525
hex8639ac2

140745410 has 64 divisors (see below), whose sum is σ = 290152800. Its totient is φ = 48771072.

The previous prime is 140745403. The next prime is 140745421. The reversal of 140745410 is 14547041.

It can be written as a sum of positive squares in 16 ways, for example, as 9803161 + 130942249 = 3131^2 + 11443^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 140745410.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138986 + ... + 139994.

Almost surely, 2140745410 is an apocalyptic number.

140745410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140745410 is an abundant number, since it is smaller than the sum of its proper divisors (149407390).

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

140745410 is a wasteful number, since it uses less digits than its factorization.

140745410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 140745410 is about 11863.6170706914. The cubic root of 140745410 is about 520.1693358761.

The spelling of 140745410 in words is "one hundred forty million, seven hundred forty-five thousand, four hundred ten".

Divisors: 1 2 5 10 13 26 29 37 58 65 74 130 145 185 290 370 377 481 754 962 1009 1073 1885 2018 2146 2405 3770 4810 5045 5365 10090 10730 13117 13949 26234 27898 29261 37333 58522 65585 69745 74666 131170 139490 146305 186665 292610 373330 380393 485329 760786 970658 1082657 1901965 2165314 2426645 3803930 4853290 5413285 10826570 14074541 28149082 70372705 140745410