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148502621 is a prime number
BaseRepresentation
bin10001101100111…
…11100001011101
3101100102201022002
420312133201131
5301004040441
622422532045
73452152151
oct1066374135
9340381262
10148502621
117690a243
1241897025
13249c6497
1415a19061
15d085b9b
hex8d9f85d

148502621 has 2 divisors, whose sum is σ = 148502622. Its totient is φ = 148502620.

The previous prime is 148502603. The next prime is 148502639. The reversal of 148502621 is 126205841.

It is a balanced prime because it is at equal distance from previous prime (148502603) and next prime (148502639).

It can be written as a sum of positive squares in only one way, i.e., 125328025 + 23174596 = 11195^2 + 4814^2 .

It is a cyclic number.

It is not a de Polignac number, because 148502621 - 214 = 148486237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148502821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74251310 + 74251311.

It is an arithmetic number, because the mean of its divisors is an integer number (74251311).

Almost surely, 2148502621 is an apocalyptic number.

It is an amenable number.

148502621 is a deficient number, since it is larger than the sum of its proper divisors (1).

148502621 is an equidigital number, since it uses as much as digits as its factorization.

148502621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 148502621 is about 12186.1651474120. The cubic root of 148502621 is about 529.5553657833. Note that the first 3 decimals are identical.

It can be divided in two parts, 14850 and 2621, that added together give a palindrome (17471).

The spelling of 148502621 in words is "one hundred forty-eight million, five hundred two thousand, six hundred twenty-one".