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742942951 is a prime number
BaseRepresentation
bin101100010010000…
…110100011100111
31220202222102010121
4230102012203213
53010143133301
6201415502411
724260624302
oct5422064347
91822872117
10742942951
11351410043
12188987a07
13babc661a
1470955b39
15453563a1
hex2c4868e7

742942951 has 2 divisors, whose sum is σ = 742942952. Its totient is φ = 742942950.

The previous prime is 742942913. The next prime is 742942999. The reversal of 742942951 is 159249247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 742942951 - 227 = 608725223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 742942898 and 742942907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742942451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371471475 + 371471476.

It is an arithmetic number, because the mean of its divisors is an integer number (371471476).

Almost surely, 2742942951 is an apocalyptic number.

742942951 is a deficient number, since it is larger than the sum of its proper divisors (1).

742942951 is an equidigital number, since it uses as much as digits as its factorization.

742942951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 742942951 is about 27256.9798583776. The cubic root of 742942951 is about 905.7016428285.

The spelling of 742942951 in words is "seven hundred forty-two million, nine hundred forty-two thousand, nine hundred fifty-one".