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153315397 = 1031488499
BaseRepresentation
bin10010010001101…
…10100001000101
3101200111020012001
421020312201011
5303222043042
623114025301
73541105444
oct1110664105
9350436161
10153315397
11795a7144
1243418231
13259bcc91
141650cd5b
15d6d6bb7
hex9236845

153315397 has 4 divisors (see below), whose sum is σ = 154804000. Its totient is φ = 151826796.

The previous prime is 153315391. The next prime is 153315413. The reversal of 153315397 is 793513351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793513351 = 1097279939.

It is a cyclic number.

It is not a de Polignac number, because 153315397 - 219 = 152791109 is a prime.

It is a super-2 number, since 2×1533153972 = 47011221914535218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153315391) 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 3 ways as a sum of consecutive naturals, for example, 744147 + ... + 744352.

It is an arithmetic number, because the mean of its divisors is an integer number (38701000).

Almost surely, 2153315397 is an apocalyptic number.

It is an amenable number.

153315397 is a deficient number, since it is larger than the sum of its proper divisors (1488603).

153315397 is a wasteful number, since it uses less digits than its factorization.

153315397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488602.

The product of its digits is 42525, while the sum is 37.

The square root of 153315397 is about 12382.0594813625. The cubic root of 153315397 is about 535.2153871156.

The spelling of 153315397 in words is "one hundred fifty-three million, three hundred fifteen thousand, three hundred ninety-seven".

Divisors: 1 103 1488499 153315397