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10890320 = 245719447
BaseRepresentation
bin101001100010…
…110001010000
3202111021201012
4221202301100
510241442240
61025230052
7161365130
oct51426120
922437635
1010890320
116169071
123792328
132343b9c
141636ac0
15e51b65
hexa62c50

10890320 has 40 divisors (see below), whose sum is σ = 28938624. Its totient is φ = 3733632.

The previous prime is 10890317. The next prime is 10890329. The reversal of 10890320 is 2309801.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10890329) 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, 9164 + ... + 10283.

Almost surely, 210890320 is an apocalyptic number.

10890320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10890320 is an abundant number, since it is smaller than the sum of its proper divisors (18048304).

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

10890320 is a wasteful number, since it uses less digits than its factorization.

10890320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19467 (or 19461 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10890320 is about 3300.0484844923. The cubic root of 10890320 is about 221.6563685142.

The spelling of 10890320 in words is "ten million, eight hundred ninety thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 19447 38894 77788 97235 136129 155576 194470 272258 311152 388940 544516 680645 777880 1089032 1361290 1555760 2178064 2722580 5445160 10890320