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152244143 = 532872531
BaseRepresentation
bin10010001001100…
…00111110101111
3101121110210200222
421010300332233
5302433303033
623035041555
73526024322
oct1104607657
9347423628
10152244143
1178a35307
1242ba02bb
13257064bc
14163107b9
15d574598
hex9130faf

152244143 has 4 divisors (see below), whose sum is σ = 155116728. Its totient is φ = 149371560.

The previous prime is 152244137. The next prime is 152244149. The reversal of 152244143 is 341442251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341442251 = 675096153.

It is an interprime number because it is at equal distance from previous prime (152244137) and next prime (152244149).

It is a cyclic number.

It is not a de Polignac number, because 152244143 - 220 = 151195567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152244149) 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, 1436213 + ... + 1436318.

It is an arithmetic number, because the mean of its divisors is an integer number (38779182).

Almost surely, 2152244143 is an apocalyptic number.

152244143 is a deficient number, since it is larger than the sum of its proper divisors (2872585).

152244143 is an equidigital number, since it uses as much as digits as its factorization.

152244143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872584.

The product of its digits is 3840, while the sum is 26.

The square root of 152244143 is about 12338.7253393533. The cubic root of 152244143 is about 533.9659100496.

Adding to 152244143 its reverse (341442251), we get a palindrome (493686394).

The spelling of 152244143 in words is "one hundred fifty-two million, two hundred forty-four thousand, one hundred forty-three".

Divisors: 1 53 2872531 152244143