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140015151 = 32149263397
BaseRepresentation
bin10000101100001…
…11011000101111
3100202110111200100
420112013120233
5241320441101
621521002143
73320052303
oct1026073057
9322414610
10140015151
1172042501
123aa83353
1323014203
1414849d03
15c45ae86
hex858762f

140015151 has 24 divisors (see below), whose sum is σ = 204890400. Its totient is φ = 92131776.

The previous prime is 140015149. The next prime is 140015243. The reversal of 140015151 is 151510041.

It is a happy number.

140015151 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 140015151 - 21 = 140015149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140015101) 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, 352485 + ... + 352881.

It is an arithmetic number, because the mean of its divisors is an integer number (8537100).

Almost surely, 2140015151 is an apocalyptic number.

140015151 is a deficient number, since it is larger than the sum of its proper divisors (64875249).

140015151 is a wasteful number, since it uses less digits than its factorization.

140015151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 140015151 is about 11832.7997954837. The cubic root of 140015151 is about 519.2681408138.

Adding to 140015151 its reverse (151510041), we get a palindrome (291525192).

The spelling of 140015151 in words is "one hundred forty million, fifteen thousand, one hundred fifty-one".

Divisors: 1 3 9 149 263 397 447 789 1191 1341 2367 3573 39187 59153 104411 117561 177459 313233 352683 532377 939699 15557239 46671717 140015151