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61423260 = 22351023721
BaseRepresentation
bin1110101001001…
…1111010011100
311021120121212120
43222103322130
5111211021020
610032302540
71344042363
oct352237234
9137517776
1061423260
1131743228
12186a1a50
13c957a32
14822c7da
1555d4740
hex3a93e9c

61423260 has 24 divisors (see below), whose sum is σ = 171985296. Its totient is φ = 16379520.

The previous prime is 61423259. The next prime is 61423277. The reversal of 61423260 is 6232416.

It is a self number, because there is not a number n which added to its sum of digits gives 61423260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511801 + ... + 511920.

It is an arithmetic number, because the mean of its divisors is an integer number (7166054).

Almost surely, 261423260 is an apocalyptic number.

61423260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61423260 is an abundant number, since it is smaller than the sum of its proper divisors (110562036).

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

61423260 is a wasteful number, since it uses less digits than its factorization.

61423260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023733 (or 1023731 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 61423260 is about 7837.2992797264. The cubic root of 61423260 is about 394.5580914934.

Adding to 61423260 its reverse (6232416), we get a palindrome (67655676).

The spelling of 61423260 in words is "sixty-one million, four hundred twenty-three thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1023721 2047442 3071163 4094884 5118605 6142326 10237210 12284652 15355815 20474420 30711630 61423260