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141220465 = 597728909
BaseRepresentation
bin10000110101011…
…01101001110001
3100211201202001121
420122231221301
5242123023330
622002502241
73333232321
oct1032555161
9324652047
10141220465
1172796031
123b364981
1323346a09
1414a81281
15c5e817a
hex86ada71

141220465 has 8 divisors (see below), whose sum is σ = 169643880. Its totient is φ = 112856832.

The previous prime is 141220463. The next prime is 141220481. The reversal of 141220465 is 564022141.

It is a happy number.

141220465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 94926049 + 46294416 = 9743^2 + 6804^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 141220465 - 21 = 141220463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141220463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9570 + ... + 19339.

It is an arithmetic number, because the mean of its divisors is an integer number (21205485).

Almost surely, 2141220465 is an apocalyptic number.

It is an amenable number.

141220465 is a deficient number, since it is larger than the sum of its proper divisors (28423415).

141220465 is an equidigital number, since it uses as much as digits as its factorization.

141220465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29891.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 141220465 is about 11883.6217122559. The cubic root of 141220465 is about 520.7539175056.

The spelling of 141220465 in words is "one hundred forty-one million, two hundred twenty thousand, four hundred sixty-five".

Divisors: 1 5 977 4885 28909 144545 28244093 141220465