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64230295 = 531414389
BaseRepresentation
bin1111010100000…
…1001110010111
311110212020101211
43311001032113
5112420332140
610212402251
71406643223
oct365011627
9143766354
1064230295
1133290198
1219616387
13103cb5bc
14875d783
15598b2ea
hex3d41397

64230295 has 8 divisors (see below), whose sum is σ = 79562880. Its totient is φ = 49726560.

The previous prime is 64230293. The next prime is 64230307. The reversal of 64230295 is 59203246.

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

It is not a de Polignac number, because 64230295 - 21 = 64230293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64230293) 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, 207040 + ... + 207349.

It is an arithmetic number, because the mean of its divisors is an integer number (9945360).

Almost surely, 264230295 is an apocalyptic number.

64230295 is a deficient number, since it is larger than the sum of its proper divisors (15332585).

64230295 is a wasteful number, since it uses less digits than its factorization.

64230295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414425.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 64230295 is about 8014.3805125537. The cubic root of 64230295 is about 400.4792069226.

The spelling of 64230295 in words is "sixty-four million, two hundred thirty thousand, two hundred ninety-five".

Divisors: 1 5 31 155 414389 2071945 12846059 64230295