Search a number
-
+
140379700 = 22528915773
BaseRepresentation
bin10000101111000…
…00011000110100
3100210011000202011
420113200120310
5241414122300
621532454004
73323131156
oct1027403064
9323130664
10140379700
117227138a
123b01a304
1323111116
1414902ad6
15c4cdeba
hex85e0634

140379700 has 36 divisors (see below), whose sum is σ = 308066220. Its totient is φ = 55517440.

The previous prime is 140379689. The next prime is 140379769. The reversal of 140379700 is 7973041.

It can be written as a sum of positive squares in 6 ways, for example, as 9597604 + 130782096 = 3098^2 + 11436^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1014 + ... + 16786.

It is an arithmetic number, because the mean of its divisors is an integer number (8557395).

Almost surely, 2140379700 is an apocalyptic number.

140379700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140379700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154033110).

140379700 is an abundant number, since it is smaller than the sum of its proper divisors (167686520).

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

140379700 is a wasteful number, since it uses less digits than its factorization.

140379700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15876 (or 15869 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 140379700 is about 11848.1939551984. The cubic root of 140379700 is about 519.7184126327.

The spelling of 140379700 in words is "one hundred forty million, three hundred seventy-nine thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 89 100 178 356 445 890 1780 2225 4450 8900 15773 31546 63092 78865 157730 315460 394325 788650 1403797 1577300 2807594 5615188 7018985 14037970 28075940 35094925 70189850 140379700