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10146990 = 2357211229
BaseRepresentation
bin100110101101…
…010010101110
3201002112001110
4212231102232
510044200430
61001252450
7152151030
oct46552256
921075043
1010146990
115800647
123494126
132143749
1414c1c50
15d567b0
hex9ad4ae

10146990 has 64 divisors (see below), whose sum is σ = 28085760. Its totient is φ = 2298240.

The previous prime is 10146959. The next prime is 10147001. The reversal of 10146990 is 9964101.

It is a super-3 number, since 3×101469903 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44196 + ... + 44424.

It is an arithmetic number, because the mean of its divisors is an integer number (438840).

Almost surely, 210146990 is an apocalyptic number.

10146990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10146990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14042880).

10146990 is an abundant number, since it is smaller than the sum of its proper divisors (17938770).

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

10146990 is a wasteful number, since it uses less digits than its factorization.

10146990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 10146990 is about 3185.4340363599. The cubic root of 10146990 is about 216.4939399193.

The spelling of 10146990 in words is "ten million, one hundred forty-six thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 211 229 422 458 633 687 1055 1145 1266 1374 1477 1603 2110 2290 2954 3165 3206 3435 4431 4809 6330 6870 7385 8015 8862 9618 14770 16030 22155 24045 44310 48090 48319 96638 144957 241595 289914 338233 483190 676466 724785 1014699 1449570 1691165 2029398 3382330 5073495 10146990