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141948891 = 3274361859
BaseRepresentation
bin10000111010111…
…11011111011011
3100220002202021100
420131133133123
5242314331031
622030242443
73342355110
oct1035373733
9326082240
10141948891
1173143337
123b656423
1323540436
1414bd0907
15c6ddde6
hex875f7db

141948891 has 48 divisors (see below), whose sum is σ = 243992320. Its totient is φ = 77837760.

The previous prime is 141948869. The next prime is 141948901. The reversal of 141948891 is 198849141.

It is not a de Polignac number, because 141948891 - 211 = 141946843 is a prime.

It is a super-2 number, since 2×1419488912 = 40298975312259762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (141940891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164820 + ... + 165678.

Almost surely, 2141948891 is an apocalyptic number.

141948891 is a deficient number, since it is larger than the sum of its proper divisors (102043429).

141948891 is a wasteful number, since it uses less digits than its factorization.

141948891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 973 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 141948891 is about 11914.2306088140. The cubic root of 141948891 is about 521.6477453468.

The spelling of 141948891 in words is "one hundred forty-one million, nine hundred forty-eight thousand, eight hundred ninety-one".

Divisors: 1 3 7 9 21 43 61 63 129 183 301 387 427 549 859 903 1281 2577 2623 2709 3843 6013 7731 7869 18039 18361 23607 36937 52399 54117 55083 110811 157197 165249 258559 332433 366793 471591 775677 1100379 2253157 2327031 3301137 6759471 15772099 20278413 47316297 141948891