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90984351 = 383973767
BaseRepresentation
bin1010110110001…
…00111110011111
320100012111001210
411123010332133
5141242444401
613010035503
72153232333
oct533047637
9210174053
1090984351
11473a3987
1226578b93
1315b07cc3
14c1257c3
157ec34d6
hex56c4f9f

90984351 has 16 divisors (see below), whose sum is σ = 124072704. Its totient is φ = 59291904.

The previous prime is 90984307. The next prime is 90984359. The reversal of 90984351 is 15348909.

It is not a de Polignac number, because 90984351 - 29 = 90983839 is a prime.

It is a super-3 number, since 3×909843513 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90984359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22270 + ... + 26036.

It is an arithmetic number, because the mean of its divisors is an integer number (7754544).

Almost surely, 290984351 is an apocalyptic number.

90984351 is a deficient number, since it is larger than the sum of its proper divisors (33088353).

90984351 is a wasteful number, since it uses less digits than its factorization.

90984351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 90984351 is about 9538.5717484328. The cubic root of 90984351 is about 449.7683597946.

The spelling of 90984351 in words is "ninety million, nine hundred eighty-four thousand, three hundred fifty-one".

Divisors: 1 3 83 97 249 291 3767 8051 11301 24153 312661 365399 937983 1096197 30328117 90984351