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90530435 = 518106087
BaseRepresentation
bin1010110010101…
…10001010000011
320022100102102002
411121112022003
5141133433220
612552214215
72146332062
oct531261203
9208312362
1090530435
1147113946
122639a36b
13159a9508
14c0481d9
157e33c75
hex5656283

90530435 has 4 divisors (see below), whose sum is σ = 108636528. Its totient is φ = 72424344.

The previous prime is 90530411. The next prime is 90530449. The reversal of 90530435 is 53403509.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53403509 = 192810711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-90530435 is a prime.

It is a super-2 number, since 2×905304352 = 16391519322578450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90530398 and 90530407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9053039 + ... + 9053048.

It is an arithmetic number, because the mean of its divisors is an integer number (27159132).

Almost surely, 290530435 is an apocalyptic number.

90530435 is a deficient number, since it is larger than the sum of its proper divisors (18106093).

90530435 is a wasteful number, since it uses less digits than its factorization.

90530435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18106092.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 90530435 is about 9514.7482888409. The cubic root of 90530435 is about 449.0191558337.

The spelling of 90530435 in words is "ninety million, five hundred thirty thousand, four hundred thirty-five".

Divisors: 1 5 18106087 90530435