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141397905 = 351119233753
BaseRepresentation
bin10000110110110…
…00111110010001
3100212001202110110
420123120332101
5242144213110
622010351533
73334601535
oct1033307621
9325052413
10141397905
11728a7380
123b42b5a9
13233a96cc
1414ac9bc5
15c630a20
hex86d8f91

141397905 has 128 divisors (see below), whose sum is σ = 283668480. Its totient is φ = 59304960.

The previous prime is 141397903. The next prime is 141397909. The reversal of 141397905 is 509793141.

It is a happy number.

141397905 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 141397905 - 21 = 141397903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141397903) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2667859 + ... + 2667911.

It is an arithmetic number, because the mean of its divisors is an integer number (2216160).

Almost surely, 2141397905 is an apocalyptic number.

141397905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

141397905 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

141397905 is a wasteful number, since it uses less digits than its factorization.

141397905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 141397905 is about 11891.0851060784. The cubic root of 141397905 is about 520.9719310011.

The spelling of 141397905 in words is "one hundred forty-one million, three hundred ninety-seven thousand, nine hundred five".

Divisors: 1 3 5 11 15 19 23 33 37 53 55 57 69 95 111 115 159 165 185 209 253 265 285 345 407 437 555 583 627 703 759 795 851 1007 1045 1219 1221 1265 1311 1749 1961 2035 2109 2185 2553 2915 3021 3135 3515 3657 3795 4255 4807 5035 5883 6095 6105 6555 7733 8745 9361 9805 10545 11077 12765 13409 14421 15105 16169 18285 21571 23161 23199 24035 28083 29415 33231 37259 38665 40227 45103 46805 48507 55385 64713 67045 69483 72105 80845 107855 111777 115805 115995 135309 140415 166155 177859 186295 201135 225515 242535 254771 323565 347415 409849 496133 533577 558885 676545 764313 856957 889295 1229547 1273855 1488399 2049245 2480665 2570871 2667885 3821565 4284785 6147735 7441995 9426527 12854355 28279581 47132635 141397905