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151660469 is a prime number
BaseRepresentation
bin10010000101000…
…10011110110101
3101120101011001102
421002202132311
5302311113334
623014335445
73521043542
oct1102423665
9346334042
10151660469
1178676834
124295a585
132556092c
14161dbbc9
15d4ab67e
hex90a27b5

151660469 has 2 divisors, whose sum is σ = 151660470. Its totient is φ = 151660468.

The previous prime is 151660429. The next prime is 151660471. The reversal of 151660469 is 964066151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87179569 + 64480900 = 9337^2 + 8030^2 .

It is a cyclic number.

It is not a de Polignac number, because 151660469 - 220 = 150611893 is a prime.

It is a super-2 number, since 2×1516604692 = 46001795714599922, which contains 22 as substring.

Together with 151660471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151660429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75830234 + 75830235.

It is an arithmetic number, because the mean of its divisors is an integer number (75830235).

Almost surely, 2151660469 is an apocalyptic number.

It is an amenable number.

151660469 is a deficient number, since it is larger than the sum of its proper divisors (1).

151660469 is an equidigital number, since it uses as much as digits as its factorization.

151660469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 151660469 is about 12315.0505074076. The cubic root of 151660469 is about 533.2826628510.

The spelling of 151660469 in words is "one hundred fifty-one million, six hundred sixty thousand, four hundred sixty-nine".