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152702141 = 217970079
BaseRepresentation
bin10010001101000…
…00110010111101
3101122100001221212
421012200302331
5303042432031
623052534205
73532642514
oct1106406275
9348301855
10152702141
1179218419
1243181365
1325836ac7
14163cd67b
15d61512b
hex91a0cbd

152702141 has 4 divisors (see below), whose sum is σ = 152774400. Its totient is φ = 152629884.

The previous prime is 152702131. The next prime is 152702191. The reversal of 152702141 is 141207251.

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: 141207251 = 712719813.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-152702141 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 (152702111) 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, 32861 + ... + 37218.

It is an arithmetic number, because the mean of its divisors is an integer number (38193600).

Almost surely, 2152702141 is an apocalyptic number.

It is an amenable number.

152702141 is a deficient number, since it is larger than the sum of its proper divisors (72259).

152702141 is an equidigital number, since it uses as much as digits as its factorization.

152702141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72258.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 152702141 is about 12357.2707747302. The cubic root of 152702141 is about 534.5008195052.

Adding to 152702141 its reverse (141207251), we get a palindrome (293909392).

The spelling of 152702141 in words is "one hundred fifty-two million, seven hundred two thousand, one hundred forty-one".

Divisors: 1 2179 70079 152702141