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152272231 is a prime number
BaseRepresentation
bin10010001001101…
…11110101100111
3101121112020020021
421010313311213
5302440202411
623035420011
73526202236
oct1104676547
9347466207
10152272231
1178a54421
1242bb4607
1325716217
141631ab1d
15d57ca71
hex9137d67

152272231 has 2 divisors, whose sum is σ = 152272232. Its totient is φ = 152272230.

The previous prime is 152272199. The next prime is 152272261. The reversal of 152272231 is 132272251.

It is a strong prime.

It is an emirp because it is prime and its reverse (132272251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152272231 - 25 = 152272199 is a prime.

It is a super-2 number, since 2×1522722312 = 46373664667434722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152272196 and 152272205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152272261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76136115 + 76136116.

It is an arithmetic number, because the mean of its divisors is an integer number (76136116).

Almost surely, 2152272231 is an apocalyptic number.

152272231 is a deficient number, since it is larger than the sum of its proper divisors (1).

152272231 is an equidigital number, since it uses as much as digits as its factorization.

152272231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 25.

The square root of 152272231 is about 12339.8634919516. The cubic root of 152272231 is about 533.9987457128.

The spelling of 152272231 in words is "one hundred fifty-two million, two hundred seventy-two thousand, two hundred thirty-one".