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90734801 is a prime number
BaseRepresentation
bin1010110100010…
…00000011010001
320022201210202012
411122020003101
5141212003201
613000432305
72151142643
oct532100321
9208653665
1090734801
1147243443
1226478695
1315a4b541
14c09c893
157e745bb
hex56880d1

90734801 has 2 divisors, whose sum is σ = 90734802. Its totient is φ = 90734800.

The previous prime is 90734789. The next prime is 90734803. The reversal of 90734801 is 10843709.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84364225 + 6370576 = 9185^2 + 2524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-90734801 is a prime.

It is a super-2 number, since 2×907348012 = 16465608225019202, which contains 22 as substring.

Together with 90734803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90734803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45367400 + 45367401.

It is an arithmetic number, because the mean of its divisors is an integer number (45367401).

Almost surely, 290734801 is an apocalyptic number.

It is an amenable number.

90734801 is a deficient number, since it is larger than the sum of its proper divisors (1).

90734801 is an equidigital number, since it uses as much as digits as its factorization.

90734801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 90734801 is about 9525.4816676114. The cubic root of 90734801 is about 449.3567781477.

The spelling of 90734801 in words is "ninety million, seven hundred thirty-four thousand, eight hundred one".