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61238338 = 2724115241
BaseRepresentation
bin1110100110011…
…0110001000010
311021020020012121
43221212301002
5111134111323
610024314454
71342342300
oct351466102
9137206177
1061238338
11316272a7
1218612a2a
13c8c1805
1481c1270
155599a5d
hex3a66c42

61238338 has 24 divisors (see below), whose sum is σ = 109468044. Its totient is φ = 25603200.

The previous prime is 61238323. The next prime is 61238339. The reversal of 61238338 is 83383216.

It can be written as a sum of positive squares in 2 ways, for example, as 60264169 + 974169 = 7763^2 + 987^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61238339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3603 + ... + 11638.

Almost surely, 261238338 is an apocalyptic number.

61238338 is a deficient number, since it is larger than the sum of its proper divisors (48229706).

61238338 is a wasteful number, since it uses less digits than its factorization.

61238338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15298 (or 15291 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 61238338 is about 7825.4928279310. The cubic root of 61238338 is about 394.1617388477.

The spelling of 61238338 in words is "sixty-one million, two hundred thirty-eight thousand, three hundred thirty-eight".

Divisors: 1 2 7 14 41 49 82 98 287 574 2009 4018 15241 30482 106687 213374 624881 746809 1249762 1493618 4374167 8748334 30619169 61238338