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64161042 = 2311972137
BaseRepresentation
bin1111010011000…
…0010100010010
311110201201101220
43310300110102
5112411123132
610211105510
71406234301
oct364602422
9143651356
1064161042
1133243160
12195a2296
13103a5c1a
148742438
155975a2c
hex3d30512

64161042 has 16 divisors (see below), whose sum is σ = 139987872. Its totient is φ = 19442720.

The previous prime is 64161037. The next prime is 64161047. The reversal of 64161042 is 24016146.

It is an interprime number because it is at equal distance from previous prime (64161037) and next prime (64161047).

It is not an unprimeable number, because it can be changed into a prime (64161047) 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 7 ways as a sum of consecutive naturals, for example, 486003 + ... + 486134.

It is an arithmetic number, because the mean of its divisors is an integer number (8749242).

Almost surely, 264161042 is an apocalyptic number.

64161042 is an abundant number, since it is smaller than the sum of its proper divisors (75826830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64161042 is a wasteful number, since it uses less digits than its factorization.

64161042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972153.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 64161042 is about 8010.0588012823. The cubic root of 64161042 is about 400.3352231518.

Adding to 64161042 its reverse (24016146), we get a palindrome (88177188).

Subtracting from 64161042 its reverse (24016146), we obtain a square (40144896 = 63362).

The spelling of 64161042 in words is "sixty-four million, one hundred sixty-one thousand, forty-two".

Divisors: 1 2 3 6 11 22 33 66 972137 1944274 2916411 5832822 10693507 21387014 32080521 64161042