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140463750 = 235475351
BaseRepresentation
bin10000101111101…
…00111010000110
3100210022022001010
420113310322012
5241424320000
621534343050
73323631210
oct1027647206
9323268033
10140463750
1172319549
123b05aa86
132314045b
14149255b0
15c4e8d50
hex85f4e86

140463750 has 80 divisors (see below), whose sum is σ = 401271552. Its totient is φ = 32100000.

The previous prime is 140463749. The next prime is 140463767. The reversal of 140463750 is 57364041.

140463750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23575 + ... + 28925.

Almost surely, 2140463750 is an apocalyptic number.

140463750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140463750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200635776).

140463750 is an abundant number, since it is smaller than the sum of its proper divisors (260807802).

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

140463750 is an equidigital number, since it uses as much as digits as its factorization.

140463750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5383 (or 5368 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 140463750 is about 11851.7403785267. The cubic root of 140463750 is about 519.8221161774.

The spelling of 140463750 in words is "one hundred forty million, four hundred sixty-three thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 125 150 175 210 250 350 375 525 625 750 875 1050 1250 1750 1875 2625 3750 4375 5250 5351 8750 10702 13125 16053 26250 26755 32106 37457 53510 74914 80265 112371 133775 160530 187285 224742 267550 374570 401325 561855 668875 802650 936425 1123710 1337750 1872850 2006625 2809275 3344375 4013250 4682125 5618550 6688750 9364250 10033125 14046375 20066250 23410625 28092750 46821250 70231875 140463750