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141819660 = 2236571137
BaseRepresentation
bin10000111001111…
…11111100001100
3100212212012000000
420130333330030
5242301212120
622023404300
73341306253
oct1034777414
9325765000
10141819660
1173065234
123b5b3690
13234c6678
1414b9979a
15c6b5990
hex873ff0c

141819660 has 168 divisors, whose sum is σ = 456122016. Its totient is φ = 37013760.

The previous prime is 141819649. The next prime is 141819673. The reversal of 141819660 is 66918141.

It is a happy number.

It is a super-2 number, since 2×1418196602 = 40225631925031200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1035112 + ... + 1035248.

It is an arithmetic number, because the mean of its divisors is an integer number (2715012).

Almost surely, 2141819660 is an apocalyptic number.

141819660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141819660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228061008).

141819660 is an abundant number, since it is smaller than the sum of its proper divisors (314302356).

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

141819660 is a wasteful number, since it uses less digits than its factorization.

141819660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 141819660 is about 11908.8059854882. The cubic root of 141819660 is about 521.4893936861.

The spelling of 141819660 in words is "one hundred forty-one million, eight hundred nineteen thousand, six hundred sixty".