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141939220 = 2257096961
BaseRepresentation
bin10000111010111…
…01001000010100
3100220002021000011
420131131020110
5242314023340
622030130004
73342314653
oct1035351024
9326067004
10141939220
1173137045
123b650904
1323538c07
1414bcb19a
15c6db0ea
hex875d214

141939220 has 12 divisors (see below), whose sum is σ = 298072404. Its totient is φ = 56775680.

The previous prime is 141939209. The next prime is 141939223. The reversal of 141939220 is 22939141.

It can be written as a sum of positive squares in 2 ways, for example, as 81938704 + 60000516 = 9052^2 + 7746^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141939223) 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, 3548461 + ... + 3548500.

It is an arithmetic number, because the mean of its divisors is an integer number (24839367).

Almost surely, 2141939220 is an apocalyptic number.

141939220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141939220 is an abundant number, since it is smaller than the sum of its proper divisors (156133184).

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

141939220 is a wasteful number, since it uses less digits than its factorization.

141939220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7096970 (or 7096968 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 141939220 is about 11913.8247427096. The cubic root of 141939220 is about 521.6358984304.

The spelling of 141939220 in words is "one hundred forty-one million, nine hundred thirty-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 7096961 14193922 28387844 35484805 70969610 141939220