Search a number
-
+
146020647 = 3431131943
BaseRepresentation
bin10001011010000…
…01100100100111
3101011202121200010
420231001210213
5244340130042
622253421303
73422104113
oct1055014447
9334677603
10146020647
1175474523
1240a9a833
1324337866
1415570743
15cc4559c
hex8b41927

146020647 has 8 divisors (see below), whose sum is σ = 199222144. Its totient is φ = 95083128.

The previous prime is 146020631. The next prime is 146020657. The reversal of 146020647 is 746020641.

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

It is not a de Polignac number, because 146020647 - 24 = 146020631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146020607) 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, 565843 + ... + 566100.

It is an arithmetic number, because the mean of its divisors is an integer number (24902768).

Almost surely, 2146020647 is an apocalyptic number.

146020647 is a deficient number, since it is larger than the sum of its proper divisors (53201497).

146020647 is a wasteful number, since it uses less digits than its factorization.

146020647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131989.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 146020647 is about 12083.9003223297. The cubic root of 146020647 is about 526.5885634773.

The spelling of 146020647 in words is "one hundred forty-six million, twenty thousand, six hundred forty-seven".

Divisors: 1 3 43 129 1131943 3395829 48673549 146020647