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90250046 = 2732712281
BaseRepresentation
bin1010110000100…
…01101100111110
320021211011210022
411120101230332
5141101000141
612542212142
72144053445
oct530215476
9207734708
1090250046
1146a42217
1226284052
131590b9c3
14bdb3d5c
157dcab4b
hex5611b3e

90250046 has 16 divisors (see below), whose sum is σ = 137796288. Its totient is φ = 44323200.

The previous prime is 90250031. The next prime is 90250051. The reversal of 90250046 is 64005209.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90249997 and 90250024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38426 + ... + 40706.

It is an arithmetic number, because the mean of its divisors is an integer number (8612268).

Almost surely, 290250046 is an apocalyptic number.

90250046 is a deficient number, since it is larger than the sum of its proper divisors (47546242).

90250046 is a wasteful number, since it uses less digits than its factorization.

90250046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 90250046 is about 9500.0024210523. The cubic root of 90250046 is about 448.5551121320. Note that the first 3 decimals are identical.

The spelling of 90250046 in words is "ninety million, two hundred fifty thousand, forty-six".

Divisors: 1 2 73 146 271 542 2281 4562 19783 39566 166513 333026 618151 1236302 45125023 90250046