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61327734 = 23132311951
BaseRepresentation
bin1110100111110…
…0100101110110
311021101202211120
43221330211312
5111144441414
610030244410
71343164026
oct351744566
9137352746
1061327734
1131688486
1218656706
13c923400
148205a86
1555b62a9
hex3a7c976

61327734 has 48 divisors (see below), whose sum is σ = 137170944. Its totient is φ = 18252000.

The previous prime is 61327723. The next prime is 61327757. The reversal of 61327734 is 43772316.

It is a super-2 number, since 2×613277342 = 7522181915149512, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 61327695 and 61327704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30459 + ... + 32409.

It is an arithmetic number, because the mean of its divisors is an integer number (2857728).

Almost surely, 261327734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61327734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68585472).

61327734 is an abundant number, since it is smaller than the sum of its proper divisors (75843210).

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

61327734 is a wasteful number, since it uses less digits than its factorization.

61327734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013 (or 2000 counting only the distinct ones).

The product of its digits is 21168, while the sum is 33.

The square root of 61327734 is about 7831.2025896410. The cubic root of 61327734 is about 394.3534452837.

The spelling of 61327734 in words is "sixty-one million, three hundred twenty-seven thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 169 186 338 403 507 806 1014 1209 1951 2418 3902 5239 5853 10478 11706 15717 25363 31434 50726 60481 76089 120962 152178 181443 329719 362886 659438 786253 989157 1572506 1978314 2358759 4717518 10221289 20442578 30663867 61327734