Search a number
-
+
140700490 = 2572717417
BaseRepresentation
bin10000110001011…
…10101101001010
3100210202022210021
420120232231022
5242004403430
621543411054
73325635340
oct1030565512
9323668707
10140700490
11724703a7
123b153a8a
13231c4138
1414987990
15c54407a
hex862eb4a

140700490 has 32 divisors (see below), whose sum is σ = 290548224. Its totient is φ = 48055680.

The previous prime is 140700473. The next prime is 140700509. The reversal of 140700490 is 94007041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15262 + ... + 22678.

It is an arithmetic number, because the mean of its divisors is an integer number (9079632).

Almost surely, 2140700490 is an apocalyptic number.

140700490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140700490 is an abundant number, since it is smaller than the sum of its proper divisors (149847734).

140700490 is a wasteful number, since it uses less digits than its factorization.

140700490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7702.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 140700490 is about 11861.7237364558. The cubic root of 140700490 is about 520.1139912819.

The spelling of 140700490 in words is "one hundred forty million, seven hundred thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 271 542 1355 1897 2710 3794 7417 9485 14834 18970 37085 51919 74170 103838 259595 519190 2010007 4020014 10050035 14070049 20100070 28140098 70350245 140700490