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144322692 = 22312026891
BaseRepresentation
bin10001001101000…
…11000010000100
3101001120100111220
420212203002010
5243421311232
622153200340
73401502603
oct1046430204
9331510456
10144322692
1174514858
12404000b0
1323b91a57
141524ba3a
15ca0c42c
hex89a3084

144322692 has 12 divisors (see below), whose sum is σ = 336752976. Its totient is φ = 48107560.

The previous prime is 144322691. The next prime is 144322693. The reversal of 144322692 is 296223441.

It is an interprime number because it is at equal distance from previous prime (144322691) and next prime (144322693).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1443226922 = 41658078852253728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144322691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6013434 + ... + 6013457.

It is an arithmetic number, because the mean of its divisors is an integer number (28062748).

Almost surely, 2144322692 is an apocalyptic number.

144322692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144322692 is an abundant number, since it is smaller than the sum of its proper divisors (192430284).

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

144322692 is a wasteful number, since it uses less digits than its factorization.

144322692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12026898 (or 12026896 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 144322692 is about 12013.4379758669. The cubic root of 144322692 is about 524.5395109522.

The spelling of 144322692 in words is "one hundred forty-four million, three hundred twenty-two thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 12026891 24053782 36080673 48107564 72161346 144322692