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140723430 = 23523203947
BaseRepresentation
bin10000110001101…
…00010011100110
3100210210111020220
420120310103212
5242011122210
621544105210
73326062251
oct1030642346
9323714226
10140723430
1172486661
123b165206
1323201703
1414992098
15c54ac70
hex86344e6

140723430 has 32 divisors (see below), whose sum is σ = 352422144. Its totient is φ = 35894496.

The previous prime is 140723423. The next prime is 140723483. The reversal of 140723430 is 34327041.

It is a self number, because there is not a number n which added to its sum of digits gives 140723430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101284 + ... + 102663.

It is an arithmetic number, because the mean of its divisors is an integer number (11013192).

Almost surely, 2140723430 is an apocalyptic number.

140723430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140723430 is an abundant number, since it is smaller than the sum of its proper divisors (211698714).

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

140723430 is a wasteful number, since it uses less digits than its factorization.

140723430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203980.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 140723430 is about 11862.6906728617. The cubic root of 140723430 is about 520.1422564442.

The spelling of 140723430 in words is "one hundred forty million, seven hundred twenty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 203947 407894 611841 1019735 1223682 2039470 3059205 4690781 6118410 9381562 14072343 23453905 28144686 46907810 70361715 140723430