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61148942 = 2283108037
BaseRepresentation
bin1110100101000…
…0111100001110
311021001200120122
43221100330032
5111123231232
610022344542
71341520541
oct351207416
9137050518
1061148942
1131576118
121858b152
13c88cc0a
14819a858
15557d312
hex3a50f0e

61148942 has 8 divisors (see below), whose sum is σ = 92048376. Its totient is φ = 30466152.

The previous prime is 61148939. The next prime is 61148947. The reversal of 61148942 is 24984116.

It is a happy number.

61148942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61148947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53453 + ... + 54584.

It is an arithmetic number, because the mean of its divisors is an integer number (11506047).

Almost surely, 261148942 is an apocalyptic number.

61148942 is a deficient number, since it is larger than the sum of its proper divisors (30899434).

61148942 is a wasteful number, since it uses less digits than its factorization.

61148942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108322.

The product of its digits is 13824, while the sum is 35.

The square root of 61148942 is about 7819.7788971300. The cubic root of 61148942 is about 393.9698457515.

The spelling of 61148942 in words is "sixty-one million, one hundred forty-eight thousand, nine hundred forty-two".

Divisors: 1 2 283 566 108037 216074 30574471 61148942