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141642252 = 22323934507
BaseRepresentation
bin10000111000101…
…00101000001100
3100212112011122100
420130110220030
5242230023002
622015515100
73336640113
oct1034245014
9325464570
10141642252
1172a53a14
123b528a90
13234639ab
1414b50c7a
15c67d11c
hex8714a0c

141642252 has 18 divisors (see below), whose sum is σ = 358040228. Its totient is φ = 47214072.

The previous prime is 141642247. The next prime is 141642287. The reversal of 141642252 is 252246141.

141642252 is a `hidden beast` number, since 14 + 1 + 642 + 2 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1967218 + ... + 1967289.

Almost surely, 2141642252 is an apocalyptic number.

141642252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

141642252 is an abundant number, since it is smaller than the sum of its proper divisors (216397976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141642252 is a wasteful number, since it uses less digits than its factorization.

141642252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934517 (or 3934512 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 141642252 is about 11901.3550489009. The cubic root of 141642252 is about 521.2718521626.

Adding to 141642252 its reverse (252246141), we get a palindrome (393888393).

The spelling of 141642252 in words is "one hundred forty-one million, six hundred forty-two thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 3934507 7869014 11803521 15738028 23607042 35410563 47214084 70821126 141642252