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141491025 = 3252132612
BaseRepresentation
bin10000110111011…
…11101101010001
3100212020111012100
420123233231101
5242210203100
622012351013
73335440164
oct1033575521
9325214170
10141491025
1172960335
123b475469
132340cc00
1414b11adb
15c64d400
hex86efb51

141491025 has 81 divisors (see below), whose sum is σ = 278992467. Its totient is φ = 68515200.

The previous prime is 141491003. The next prime is 141491033. The reversal of 141491025 is 520194141.

The square root of 141491025 is 11895.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 124746561 + 16744464 = 11169^2 + 4092^2 .

It is not a de Polignac number, because 141491025 - 27 = 141490897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141491025.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2319495 + ... + 2319555.

Almost surely, 2141491025 is an apocalyptic number.

141491025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

141491025 is the 11895-th square number.

141491025 is the 5948-th centered octagonal number.

It is an amenable number.

141491025 is a deficient number, since it is larger than the sum of its proper divisors (137501442).

141491025 is a wasteful number, since it uses less digits than its factorization.

141491025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The cubic root of 141491025 is about 521.0862708857.

The spelling of 141491025 in words is "one hundred forty-one million, four hundred ninety-one thousand, twenty-five".

Divisors: 1 3 5 9 13 15 25 39 45 61 65 75 117 169 183 195 225 305 325 507 549 585 793 845 915 975 1521 1525 2379 2535 2745 2925 3721 3965 4225 4575 7137 7605 10309 11163 11895 12675 13725 18605 19825 30927 33489 35685 38025 48373 51545 55815 59475 92781 93025 145119 154635 167445 178425 241865 257725 279075 435357 463905 628849 725595 773175 837225 1209325 1886547 2176785 2319525 3144245 3627975 5659641 9432735 10883925 15721225 28298205 47163675 141491025