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61614269 is a prime number
BaseRepresentation
bin1110101100001…
…0100010111101
311021221022212222
43223002202331
5111233124034
610040335125
71345466303
oct353024275
9137838788
1061614269
1131863792
12187744a5
13c9c3962
14827c273
15562112e
hex3ac28bd

61614269 has 2 divisors, whose sum is σ = 61614270. Its totient is φ = 61614268.

The previous prime is 61614257. The next prime is 61614277. The reversal of 61614269 is 96241616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33120025 + 28494244 = 5755^2 + 5338^2 .

It is a cyclic number.

It is not a de Polignac number, because 61614269 - 24 = 61614253 is a prime.

It is a super-2 number, since 2×616142692 = 7592636288808722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61614229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30807134 + 30807135.

It is an arithmetic number, because the mean of its divisors is an integer number (30807135).

Almost surely, 261614269 is an apocalyptic number.

It is an amenable number.

61614269 is a deficient number, since it is larger than the sum of its proper divisors (1).

61614269 is an equidigital number, since it uses as much as digits as its factorization.

61614269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 61614269 is about 7849.4757149761. The cubic root of 61614269 is about 394.9666563746.

The spelling of 61614269 in words is "sixty-one million, six hundred fourteen thousand, two hundred sixty-nine".