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140245130 = 2524158193
BaseRepresentation
bin10000101101111…
…11100010001010
3100202220012011002
420112333202022
5241400321010
621525535002
73322030634
oct1026774212
9322805132
10140245130
117218a273
123ab74462
1323094aac
14148a9a54
15c4a41a5
hex85bf88a

140245130 has 16 divisors (see below), whose sum is σ = 253493064. Its totient is φ = 55864320.

The previous prime is 140245123. The next prime is 140245169. The reversal of 140245130 is 31542041.

140245130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 125507209 + 14737921 = 11203^2 + 3839^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26687 + ... + 31506.

Almost surely, 2140245130 is an apocalyptic number.

140245130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140245130 is a deficient number, since it is larger than the sum of its proper divisors (113247934).

140245130 is a wasteful number, since it uses less digits than its factorization.

140245130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58441.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140245130 is about 11842.5136689809. The cubic root of 140245130 is about 519.5522896897.

Adding to 140245130 its reverse (31542041), we get a palindrome (171787171).

The spelling of 140245130 in words is "one hundred forty million, two hundred forty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 241 482 1205 2410 58193 116386 290965 581930 14024513 28049026 70122565 140245130