Search a number
-
+
141671420 = 22511643961
BaseRepresentation
bin10000111000110…
…11101111111100
3100212120122122122
420130123233330
5242231441140
622020302112
73340121132
oct1034335774
9325518578
10141671420
1172a73920
123b541938
1323474057
1414b5b752
15c686ab5
hex871bbfc

141671420 has 24 divisors (see below), whose sum is σ = 324556848. Its totient is φ = 51516800.

The previous prime is 141671419. The next prime is 141671437. The reversal of 141671420 is 24176141.

It is a self number, because there is not a number n which added to its sum of digits gives 141671420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321761 + ... + 322200.

It is an arithmetic number, because the mean of its divisors is an integer number (13523202).

Almost surely, 2141671420 is an apocalyptic number.

141671420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141671420 is an abundant number, since it is smaller than the sum of its proper divisors (182885428).

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

141671420 is a wasteful number, since it uses less digits than its factorization.

141671420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643981 (or 643979 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 141671420 is about 11902.5803925031. The cubic root of 141671420 is about 521.3076310671.

The spelling of 141671420 in words is "one hundred forty-one million, six hundred seventy-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 643961 1287922 2575844 3219805 6439610 7083571 12879220 14167142 28334284 35417855 70835710 141671420