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146813090 = 2571206779
BaseRepresentation
bin10001100000000…
…11000010100010
3101020020212200212
420300003002202
5300041004330
622322414122
73431614334
oct1060030242
9336225625
10146813090
1175965936
1241201342
1324554468
14156d9454
15cd50295
hex8c030a2

146813090 has 16 divisors (see below), whose sum is σ = 267986880. Its totient is φ = 57897840.

The previous prime is 146813083. The next prime is 146813099. The reversal of 146813090 is 90318641.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146813099) 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, 102680 + ... + 104099.

It is an arithmetic number, because the mean of its divisors is an integer number (16749180).

Almost surely, 2146813090 is an apocalyptic number.

146813090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146813090 is a deficient number, since it is larger than the sum of its proper divisors (121173790).

146813090 is a wasteful number, since it uses less digits than its factorization.

146813090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206857.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 146813090 is about 12116.6451627503. The cubic root of 146813090 is about 527.5394308777.

It can be divided in two parts, 14681 and 3090, that added together give a palindrome (17771).

The spelling of 146813090 in words is "one hundred forty-six million, eight hundred thirteen thousand, ninety".

Divisors: 1 2 5 10 71 142 355 710 206779 413558 1033895 2067790 14681309 29362618 73406545 146813090