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141621252 = 22311801771
BaseRepresentation
bin10000111000011…
…11100000000100
3100212111002211120
420130033200010
5242223340002
622015233540
73336521643
oct1034174004
9325432746
10141621252
1172a3a163
123b5188b0
1323457276
1414b4735a
15c676cbc
hex870f804

141621252 has 12 divisors (see below), whose sum is σ = 330449616. Its totient is φ = 47207080.

The previous prime is 141621251. The next prime is 141621283. The reversal of 141621252 is 252126141.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (141621251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5900874 + ... + 5900897.

It is an arithmetic number, because the mean of its divisors is an integer number (27537468).

Almost surely, 2141621252 is an apocalyptic number.

141621252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

141621252 is an abundant number, since it is smaller than the sum of its proper divisors (188828364).

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

141621252 is a wasteful number, since it uses less digits than its factorization.

141621252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11801778 (or 11801776 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 141621252 is about 11900.4727637183. The cubic root of 141621252 is about 521.2460894875.

Adding to 141621252 its reverse (252126141), we get a palindrome (393747393).

The spelling of 141621252 in words is "one hundred forty-one million, six hundred twenty-one thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 11801771 23603542 35405313 47207084 70810626 141621252