Search a number
-
+
157026319 is a prime number
BaseRepresentation
bin10010101110000…
…00100000001111
3101221110202121121
421113000200033
5310144320234
623325341411
73614462452
oct1127004017
9357422547
10157026319
118070121a
1244707867
13266bc0a8
1416bd7499
15dbbb4b4
hex95c080f

157026319 has 2 divisors, whose sum is σ = 157026320. Its totient is φ = 157026318.

The previous prime is 157026299. The next prime is 157026341. The reversal of 157026319 is 913620751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157026319 - 223 = 148637711 is a prime.

It is a super-2 number, since 2×1570263192 = 49314529717379522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157026719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78513159 + 78513160.

It is an arithmetic number, because the mean of its divisors is an integer number (78513160).

Almost surely, 2157026319 is an apocalyptic number.

157026319 is a deficient number, since it is larger than the sum of its proper divisors (1).

157026319 is an equidigital number, since it uses as much as digits as its factorization.

157026319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 157026319 is about 12531.0142845661. The cubic root of 157026319 is about 539.4992145086.

It can be divided in two parts, 1570 and 26319, that added together give a square (27889 = 1672).

The spelling of 157026319 in words is "one hundred fifty-seven million, twenty-six thousand, three hundred nineteen".