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61145094 = 2311818629
BaseRepresentation
bin1110100101000…
…0000000000110
311021001111022010
43221100000012
5111123120334
610022315050
71341503403
oct351200006
9137044263
1061145094
113157323a
1218588a86
13c88b23a
1481992aa
15557c0e9
hex3a50006

61145094 has 16 divisors (see below), whose sum is σ = 122407920. Its totient is φ = 20362080.

The previous prime is 61145087. The next prime is 61145099. The reversal of 61145094 is 49054116.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61145099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2772 + ... + 11400.

It is an arithmetic number, because the mean of its divisors is an integer number (7650495).

Almost surely, 261145094 is an apocalyptic number.

61145094 is an abundant number, since it is smaller than the sum of its proper divisors (61262826).

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

61145094 is a wasteful number, since it uses less digits than its factorization.

61145094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9815.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 61145094 is about 7819.5328504969. The cubic root of 61145094 is about 393.9615816251.

The spelling of 61145094 in words is "sixty-one million, one hundred forty-five thousand, ninety-four".

Divisors: 1 2 3 6 1181 2362 3543 7086 8629 17258 25887 51774 10190849 20381698 30572547 61145094