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10689490 = 257791933
BaseRepresentation
bin101000110001…
…101111010010
3202010002020001
4220301233102
510214030430
61021040214
7156600460
oct50615722
922102201
1010689490
116041199
1236b606a
1322a3656
1415c3830
15e123ca
hexa31bd2

10689490 has 32 divisors (see below), whose sum is σ = 22279680. Its totient is φ = 3616704.

The previous prime is 10689467. The next prime is 10689527. The reversal of 10689490 is 9498601.

10689490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×106894902 = 228530392920200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4564 + ... + 6496.

It is an arithmetic number, because the mean of its divisors is an integer number (696240).

Almost surely, 210689490 is an apocalyptic number.

10689490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10689490 is an abundant number, since it is smaller than the sum of its proper divisors (11590190).

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

10689490 is a wasteful number, since it uses less digits than its factorization.

10689490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 10689490 is about 3269.4785516960. The cubic root of 10689490 is about 220.2853734688.

The spelling of 10689490 in words is "ten million, six hundred eighty-nine thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 79 158 395 553 790 1106 1933 2765 3866 5530 9665 13531 19330 27062 67655 135310 152707 305414 763535 1068949 1527070 2137898 5344745 10689490