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64295427 = 375951893
BaseRepresentation
bin1111010101000…
…1001000000011
311110222112202010
43311101020003
5112424423202
610214024003
71410334140
oct365211003
9143875663
1064295427
1133325119
1219648003
1310422141
1487793c7
1559a076c
hex3d51203

64295427 has 16 divisors (see below), whose sum is σ = 99636480. Its totient is φ = 36116832.

The previous prime is 64295417. The next prime is 64295431. The reversal of 64295427 is 72459246.

It is not a de Polignac number, because 64295427 - 219 = 63771139 is a prime.

It is a super-2 number, since 2×642954272 = 8267803866224658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64295417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24708 + ... + 27185.

It is an arithmetic number, because the mean of its divisors is an integer number (6227280).

Almost surely, 264295427 is an apocalyptic number.

64295427 is a deficient number, since it is larger than the sum of its proper divisors (35341053).

64295427 is a wasteful number, since it uses less digits than its factorization.

64295427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51962.

The product of its digits is 120960, while the sum is 39.

The square root of 64295427 is about 8018.4429286489. The cubic root of 64295427 is about 400.6145283205.

It can be divided in two parts, 642 and 95427, that added together give a palindrome (96069).

The spelling of 64295427 in words is "sixty-four million, two hundred ninety-five thousand, four hundred twenty-seven".

Divisors: 1 3 7 21 59 177 413 1239 51893 155679 363251 1089753 3061687 9185061 21431809 64295427