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153342331 = 192424771
BaseRepresentation
bin10010010001111…
…01000101111011
3101200112121010121
421020331011323
5303223423311
623114354111
73541250122
oct1110750573
9350477117
10153342331
11796153aa
124342b937
13259cc30c
1416518ab9
15d6deb71
hex923d17b

153342331 has 6 divisors (see below), whose sum is σ = 161838132. Its totient is φ = 145271340.

The previous prime is 153342323. The next prime is 153342347. The reversal of 153342331 is 133243351.

It is not a de Polignac number, because 153342331 - 23 = 153342323 is a prime.

It is a super-2 number, since 2×1533423312 = 47027740953027122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153342296 and 153342305.

It is not an unprimeable number, because it can be changed into a prime (153342131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212025 + ... + 212746.

It is an arithmetic number, because the mean of its divisors is an integer number (26973022).

Almost surely, 2153342331 is an apocalyptic number.

153342331 is a deficient number, since it is larger than the sum of its proper divisors (8495801).

153342331 is an equidigital number, since it uses as much as digits as its factorization.

153342331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424809 (or 424790 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 153342331 is about 12383.1470555752. The cubic root of 153342331 is about 535.2467269711.

Adding to 153342331 its reverse (133243351), we get a palindrome (286585682).

The spelling of 153342331 in words is "one hundred fifty-three million, three hundred forty-two thousand, three hundred thirty-one".

Divisors: 1 19 361 424771 8070649 153342331