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90946973 = 137279623
BaseRepresentation
bin1010110101110…
…11110110011101
320100010120210102
411122323312131
5141240300343
613005150445
72153015345
oct532736635
9210116712
1090946973
1147378897
122655b425
1315ac3ca0
14c115d25
157eb73b8
hex56bbd9d

90946973 has 8 divisors (see below), whose sum is σ = 98087808. Its totient is φ = 83826864.

The previous prime is 90946967. The next prime is 90946981. The reversal of 90946973 is 37964909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90946973 - 28 = 90946717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90946943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4640 + ... + 14262.

It is an arithmetic number, because the mean of its divisors is an integer number (12260976).

Almost surely, 290946973 is an apocalyptic number.

It is an amenable number.

90946973 is a deficient number, since it is larger than the sum of its proper divisors (7140835).

90946973 is a wasteful number, since it uses less digits than its factorization.

90946973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10363.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 90946973 is about 9536.6122391550. The cubic root of 90946973 is about 449.7067603941.

It can be divided in two parts, 90946 and 973, that added together give a palindrome (91919).

The spelling of 90946973 in words is "ninety million, nine hundred forty-six thousand, nine hundred seventy-three".

Divisors: 1 13 727 9451 9623 125099 6995921 90946973