Search a number
-
+
141921916 = 2217532743
BaseRepresentation
bin10000111010110…
…00111001111100
3100220001101021021
420131120321330
5242313000131
622025513524
73342213343
oct1035307174
9326041237
10141921916
1173125044
123b6428a4
1323531086
1414bc4b5a
15c6d5e11
hex8758e7c

141921916 has 36 divisors (see below), whose sum is σ = 268389072. Its totient is φ = 65438464.

The previous prime is 141921893. The next prime is 141921917. The reversal of 141921916 is 619129141.

It is a super-2 number, since 2×1419219162 = 40283660482222112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141921917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190641 + ... + 191383.

It is an arithmetic number, because the mean of its divisors is an integer number (7455252).

Almost surely, 2141921916 is an apocalyptic number.

It is an amenable number.

141921916 is a deficient number, since it is larger than the sum of its proper divisors (126467156).

141921916 is a wasteful number, since it uses less digits than its factorization.

141921916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 815 counting only the distinct ones).

The product of its digits is 3888, while the sum is 34.

The square root of 141921916 is about 11913.0985054267. The cubic root of 141921916 is about 521.6146997924.

The spelling of 141921916 in words is "one hundred forty-one million, nine hundred twenty-one thousand, nine hundred sixteen".

Divisors: 1 2 4 17 34 53 68 106 212 743 901 1486 1802 2809 2972 3604 5618 11236 12631 25262 39379 47753 50524 78758 95506 157516 191012 669443 1338886 2087087 2677772 4174174 8348348 35480479 70960958 141921916