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151344253 = 197965487
BaseRepresentation
bin10010000010101…
…01010001111101
3101112210002021201
421001111101331
5302221004003
623003455501
73515255614
oct1101252175
9345702251
10151344253
11784801a5
1242827591
132547ca18
141615887b
15d447b1d
hex905547d

151344253 has 4 divisors (see below), whose sum is σ = 159309760. Its totient is φ = 143378748.

The previous prime is 151344247. The next prime is 151344269. The reversal of 151344253 is 352443151.

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: 352443151 = 2271552613.

It is a cyclic number.

It is not a de Polignac number, because 151344253 - 213 = 151336061 is a prime.

It is a super-3 number, since 3×1513442533 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151344283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3982725 + ... + 3982762.

It is an arithmetic number, because the mean of its divisors is an integer number (39827440).

Almost surely, 2151344253 is an apocalyptic number.

It is an amenable number.

151344253 is a deficient number, since it is larger than the sum of its proper divisors (7965507).

151344253 is an equidigital number, since it uses as much as digits as its factorization.

151344253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7965506.

The product of its digits is 7200, while the sum is 28.

The square root of 151344253 is about 12302.2052088233. The cubic root of 151344253 is about 532.9117689092.

The spelling of 151344253 in words is "one hundred fifty-one million, three hundred forty-four thousand, two hundred fifty-three".

Divisors: 1 19 7965487 151344253