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102046290 = 2356155763
BaseRepresentation
bin1100001010100…
…01101001010010
321010000111012020
412011101221102
5202110440130
614043112310
72346244023
oct605215122
9233014166
10102046290
1152669985
122a212696
13181ac028
14d7a4c4a
158e5ae10
hex6151a52

102046290 has 32 divisors (see below), whose sum is σ = 248930496. Its totient is φ = 26765760.

The previous prime is 102046279. The next prime is 102046297. The reversal of 102046290 is 92640201.

It is a self number, because there is not a number n which added to its sum of digits gives 102046290.

It is not an unprimeable number, because it can be changed into a prime (102046297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26052 + ... + 29711.

It is an arithmetic number, because the mean of its divisors is an integer number (7779078).

Almost surely, 2102046290 is an apocalyptic number.

102046290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102046290 is an abundant number, since it is smaller than the sum of its proper divisors (146884206).

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

102046290 is a wasteful number, since it uses less digits than its factorization.

102046290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55834.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 102046290 is about 10101.7963749028. The cubic root of 102046290 is about 467.3035425699.

Adding to 102046290 its reverse (92640201), we get a palindrome (194686491).

The spelling of 102046290 in words is "one hundred two million, forty-six thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 61 122 183 305 366 610 915 1830 55763 111526 167289 278815 334578 557630 836445 1672890 3401543 6803086 10204629 17007715 20409258 34015430 51023145 102046290