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61520092 = 2215380023
BaseRepresentation
bin1110101010101…
…1100011011100
311021202112200221
43222223203130
5111222120332
610034331124
71344624604
oct352534334
9137675627
1061520092
11317a9a57
1218729aa4
13c98cb2a
148255c04
155603297
hex3aab8dc

61520092 has 6 divisors (see below), whose sum is σ = 107660168. Its totient is φ = 30760044.

The previous prime is 61520077. The next prime is 61520099. The reversal of 61520092 is 29002516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61520099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7690008 + ... + 7690015.

Almost surely, 261520092 is an apocalyptic number.

It is an amenable number.

61520092 is a deficient number, since it is larger than the sum of its proper divisors (46140076).

61520092 is a wasteful number, since it uses less digits than its factorization.

61520092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15380027 (or 15380025 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 61520092 is about 7843.4744852011. The cubic root of 61520092 is about 394.7653191239.

The spelling of 61520092 in words is "sixty-one million, five hundred twenty thousand, ninety-two".

Divisors: 1 2 4 15380023 30760046 61520092