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140470407 = 327211231259
BaseRepresentation
bin10000101111101…
…10100010000111
3100210022122011200
420113312202013
5241430023112
621534433543
73323656500
oct1027664207
9323278150
10140470407
1172323550
123b0628b3
13231434ac
1414927ba7
15c4eacdc
hex85f6887

140470407 has 72 divisors (see below), whose sum is σ = 268894080. Its totient is φ = 69743520.

The previous prime is 140470397. The next prime is 140470409. The reversal of 140470407 is 704074041.

140470407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140470407 - 28 = 140470151 is a prime.

It is a super-3 number, since 3×1404704073 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140470409) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 110944 + ... + 112202.

It is an arithmetic number, because the mean of its divisors is an integer number (3734640).

Almost surely, 2140470407 is an apocalyptic number.

140470407 is a deficient number, since it is larger than the sum of its proper divisors (128423673).

140470407 is a wasteful number, since it uses less digits than its factorization.

140470407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 140470407 is about 11852.0212200283. The cubic root of 140470407 is about 519.8303280260.

The spelling of 140470407 in words is "one hundred forty million, four hundred seventy thousand, four hundred seven".

Divisors: 1 3 7 9 11 21 23 33 49 63 69 77 99 147 161 207 231 253 441 483 539 693 759 1127 1259 1449 1617 1771 2277 3381 3777 4851 5313 8813 10143 11331 12397 13849 15939 26439 28957 37191 41547 61691 79317 86871 96943 111573 124641 185073 202699 260613 290829 318527 555219 608097 678601 872487 955581 1418893 1824291 2035803 2229689 2866743 4256679 6107409 6689067 12770037 15607823 20067201 46823469 140470407