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61209482 = 230604741
BaseRepresentation
bin1110100101111…
…1101110001010
311021011202121212
43221133232022
5111132200412
610023533122
71342162205
oct351375612
9137152555
1061209482
1131607654
12185ba1a2
13c8b1639
1481b493c
155591222
hex3a5fb8a

61209482 has 4 divisors (see below), whose sum is σ = 91814226. Its totient is φ = 30604740.

The previous prime is 61209481. The next prime is 61209493. The reversal of 61209482 is 28490216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59274601 + 1934881 = 7699^2 + 1391^2 .

It is not an unprimeable number, because it can be changed into a prime (61209481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15302369 + ... + 15302372.

Almost surely, 261209482 is an apocalyptic number.

61209482 is a deficient number, since it is larger than the sum of its proper divisors (30604744).

61209482 is a wasteful number, since it uses less digits than its factorization.

61209482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30604743.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 61209482 is about 7823.6488929399. The cubic root of 61209482 is about 394.0998183881.

Adding to 61209482 its reverse (28490216), we get a palindrome (89699698).

The spelling of 61209482 in words is "sixty-one million, two hundred nine thousand, four hundred eighty-two".

Divisors: 1 2 30604741 61209482