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90602029 = 721849021
BaseRepresentation
bin1010110011001…
…11101000101101
320022111001121201
411121213220231
5141143231104
612553525501
72150050600
oct531475055
9208431551
1090602029
1147162711
1226413891
1315a02c8b
14c066337
157e4a0a4
hex5667a2d

90602029 has 6 divisors (see below), whose sum is σ = 105394254. Its totient is φ = 77658840.

The previous prime is 90602021. The next prime is 90602059. The reversal of 90602029 is 92020609.

It can be written as a sum of positive squares in only one way, i.e., 89965225 + 636804 = 9485^2 + 798^2 .

It is not a de Polignac number, because 90602029 - 23 = 90602021 is a prime.

It is a super-4 number, since 4×906020294 (a number of 33 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90601988 and 90602006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90602021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 924462 + ... + 924559.

It is an arithmetic number, because the mean of its divisors is an integer number (17565709).

Almost surely, 290602029 is an apocalyptic number.

It is an amenable number.

90602029 is a deficient number, since it is larger than the sum of its proper divisors (14792225).

90602029 is a wasteful number, since it uses less digits than its factorization.

90602029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849035 (or 1849028 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 90602029 is about 9518.5098098389. The cubic root of 90602029 is about 449.1374902808.

The spelling of 90602029 in words is "ninety million, six hundred two thousand, twenty-nine".

Divisors: 1 7 49 1849021 12943147 90602029