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61243330 = 256918863
BaseRepresentation
bin1110100110011…
…1111111000010
311021020111001111
43221213333002
5111134241310
610024353534
71342362661
oct351477702
9137214044
1061243330
1131630025
12186158aa
13c8c3b75
1481c2dd8
15559b28a
hex3a67fc2

61243330 has 16 divisors (see below), whose sum is σ = 110409984. Its totient is φ = 24459120.

The previous prime is 61243313. The next prime is 61243349. The reversal of 61243330 is 3334216.

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, 2479 + ... + 11341.

It is an arithmetic number, because the mean of its divisors is an integer number (6900624).

Almost surely, 261243330 is an apocalyptic number.

61243330 is a deficient number, since it is larger than the sum of its proper divisors (49166654).

61243330 is a wasteful number, since it uses less digits than its factorization.

61243330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9561.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 61243330 is about 7825.8117789786. The cubic root of 61243330 is about 394.1724489247.

Adding to 61243330 its reverse (3334216), we get a palindrome (64577546).

The spelling of 61243330 in words is "sixty-one million, two hundred forty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 691 1382 3455 6910 8863 17726 44315 88630 6124333 12248666 30621665 61243330