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140375440 = 24523231107
BaseRepresentation
bin10000101110111…
…11010110010000
3100210010210220101
420113133112100
5241414003230
621532422144
73323112562
oct1027372620
9323123811
10140375440
1172269167
123b017954
132310c1ba
1414901332
15c4ccaca
hex85df590

140375440 has 120 divisors (see below), whose sum is σ = 355477248. Its totient is φ = 51490560.

The previous prime is 140375419. The next prime is 140375441. The reversal of 140375440 is 44573041.

140375440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140375399 and 140375408.

It is not an unprimeable number, because it can be changed into a prime (140375441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1311867 + ... + 1311973.

Almost surely, 2140375440 is an apocalyptic number.

140375440 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 140375440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177738624).

140375440 is an abundant number, since it is smaller than the sum of its proper divisors (215101808).

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

140375440 is a wasteful number, since it uses less digits than its factorization.

140375440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 140375440 is about 11848.0141795999. The cubic root of 140375440 is about 519.7131554081.

The spelling of 140375440 in words is "one hundred forty million, three hundred seventy-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 23 31 40 46 62 80 92 107 115 124 155 184 214 230 248 310 368 428 460 496 529 535 620 713 856 920 1058 1070 1240 1426 1712 1840 2116 2140 2461 2480 2645 2852 3317 3565 4232 4280 4922 5290 5704 6634 7130 8464 8560 9844 10580 11408 12305 13268 14260 16399 16585 19688 21160 24610 26536 28520 32798 33170 39376 42320 49220 53072 56603 57040 65596 66340 76291 81995 98440 113206 131192 132680 152582 163990 196880 226412 262384 265360 283015 305164 327980 381455 452824 566030 610328 655960 762910 905648 1132060 1220656 1311920 1525820 1754693 2264120 3051640 3509386 4528240 6103280 7018772 8773465 14037544 17546930 28075088 35093860 70187720 140375440