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61133274 = 2325364081
BaseRepresentation
bin1110100100110…
…1000111011010
311021000220002100
43221031013122
5111122231044
610022144230
71341424056
oct351150732
9137026070
1061133274
1131565374
1218582076
13c885a47
148194c66
155578869
hex3a4d1da

61133274 has 24 divisors (see below), whose sum is σ = 134956692. Its totient is φ = 19992960.

The previous prime is 61133269. The next prime is 61133291. The reversal of 61133274 is 47233116.

It can be written as a sum of positive squares in 2 ways, for example, as 61074225 + 59049 = 7815^2 + 243^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31087 + ... + 32994.

Almost surely, 261133274 is an apocalyptic number.

61133274 is an abundant number, since it is smaller than the sum of its proper divisors (73823418).

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

61133274 is a wasteful number, since it uses less digits than its factorization.

61133274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64142 (or 64139 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 61133274 is about 7818.7770143418. Note that the first 3 decimals coincide. The cubic root of 61133274 is about 393.9361943281.

The spelling of 61133274 in words is "sixty-one million, one hundred thirty-three thousand, two hundred seventy-four".

Divisors: 1 2 3 6 9 18 53 106 159 318 477 954 64081 128162 192243 384486 576729 1153458 3396293 6792586 10188879 20377758 30566637 61133274