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90955451 = 197016829
BaseRepresentation
bin1010110101111…
…01111010111011
320100011000102102
411122331322323
5141241033301
613005254015
72153052146
oct532757273
9210130372
1090955451
11473841a4
122656430b
1315ac7ac2
14c11905d
157eb9b6b
hex56bdebb

90955451 has 8 divisors (see below), whose sum is σ = 95893200. Its totient is φ = 86032800.

The previous prime is 90955441. The next prime is 90955463. The reversal of 90955451 is 15455909.

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 90955451 - 214 = 90939067 is a prime.

It is a super-2 number, since 2×909554512 = 16545788133226802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90955421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9905 + ... + 16733.

It is an arithmetic number, because the mean of its divisors is an integer number (11986650).

Almost surely, 290955451 is an apocalyptic number.

90955451 is a deficient number, since it is larger than the sum of its proper divisors (4937749).

90955451 is a wasteful number, since it uses less digits than its factorization.

90955451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 90955451 is about 9537.0567262652. The cubic root of 90955451 is about 449.7207337214.

The spelling of 90955451 in words is "ninety million, nine hundred fifty-five thousand, four hundred fifty-one".

Divisors: 1 19 701 6829 13319 129751 4787129 90955451