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142677525 = 3521902367
BaseRepresentation
bin10001000000100…
…01011000010101
3100221110202202210
420200101120111
5243011140100
622054024033
73351511314
oct1040213025
9327422683
10142677525
11735a0811
123b948019
1323736c93
1414d4027b
15c7d4c50
hex8811615

142677525 has 12 divisors (see below), whose sum is σ = 235893632. Its totient is φ = 76094640.

The previous prime is 142677497. The next prime is 142677527. The reversal of 142677525 is 525776241.

It is not a de Polignac number, because 142677525 - 212 = 142673429 is a prime.

It is a super-2 number, since 2×1426775252 = 40713752280251250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142677527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 951109 + ... + 951258.

Almost surely, 2142677525 is an apocalyptic number.

142677525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142677525 is a deficient number, since it is larger than the sum of its proper divisors (93216107).

142677525 is a wasteful number, since it uses less digits than its factorization.

142677525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902380 (or 1902375 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 142677525 is about 11944.7697759312. The cubic root of 142677525 is about 522.5387744704.

The spelling of 142677525 in words is "one hundred forty-two million, six hundred seventy-seven thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 1902367 5707101 9511835 28535505 47559175 142677525