Search a number
-
+
157248037 is a prime number
BaseRepresentation
bin10010101111101…
…10101000100101
3101221220000202101
421113312220211
5310223414122
623334212101
73616405042
oct1127665045
9357800671
10157248037
1180842861
12447b4031
1326768c9b
1416c541c9
15dc12027
hex95f6a25

157248037 has 2 divisors, whose sum is σ = 157248038. Its totient is φ = 157248036.

The previous prime is 157248029. The next prime is 157248043. The reversal of 157248037 is 730842751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155401156 + 1846881 = 12466^2 + 1359^2 .

It is a cyclic number.

It is not a de Polignac number, because 157248037 - 23 = 157248029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157247987 and 157248005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157248017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78624018 + 78624019.

It is an arithmetic number, because the mean of its divisors is an integer number (78624019).

Almost surely, 2157248037 is an apocalyptic number.

It is an amenable number.

157248037 is a deficient number, since it is larger than the sum of its proper divisors (1).

157248037 is an equidigital number, since it uses as much as digits as its factorization.

157248037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 157248037 is about 12539.8579338045. The cubic root of 157248037 is about 539.7530157672.

The spelling of 157248037 in words is "one hundred fifty-seven million, two hundred forty-eight thousand, thirty-seven".