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90676950 = 23527213273
BaseRepresentation
bin1010110011110…
…01111011010110
320022121212101120
411121321323112
5141203130300
612555304410
72150512200
oct531717326
9208555346
1090676950
1147203a31
122644b106
1315a2b100
14c085770
157e623a0
hex5679ed6

90676950 has 216 divisors, whose sum is σ = 287144568. Its totient is φ = 18869760.

The previous prime is 90676921. The next prime is 90676951. The reversal of 90676950 is 5967609.

It is a super-2 number, since 2×906769502 = 16444618522605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90676951) 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 107 ways as a sum of consecutive naturals, for example, 1242114 + ... + 1242186.

It is an arithmetic number, because the mean of its divisors is an integer number (1329373).

Almost surely, 290676950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90676950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143572284).

90676950 is an abundant number, since it is smaller than the sum of its proper divisors (196467618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90676950 is a wasteful number, since it uses less digits than its factorization.

90676950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 90676950 is about 9522.4445390876. Note that the first 3 decimals coincide. The cubic root of 90676950 is about 449.2612570413.

The spelling of 90676950 in words is "ninety million, six hundred seventy-six thousand, nine hundred fifty".