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61020938 = 2112773679
BaseRepresentation
bin1110100011000…
…1101100001010
311020211011222202
43220301230022
5111110132223
610015520202
71340445416
oct350615412
9136734882
1061020938
1131498a30
1218529062
13c846884
148165d46
155555428
hex3a31b0a

61020938 has 8 divisors (see below), whose sum is σ = 99852480. Its totient is φ = 27736780.

The previous prime is 61020937. The next prime is 61020941. The reversal of 61020938 is 83902016.

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

It is a super-3 number, since 3×610209383 (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61020938.

It is not an unprimeable number, because it can be changed into a prime (61020931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386818 + ... + 1386861.

It is an arithmetic number, because the mean of its divisors is an integer number (12481560).

Almost surely, 261020938 is an apocalyptic number.

61020938 is a deficient number, since it is larger than the sum of its proper divisors (38831542).

61020938 is a wasteful number, since it uses less digits than its factorization.

61020938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773692.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 61020938 is about 7811.5899789992. The cubic root of 61020938 is about 393.6947527088.

The spelling of 61020938 in words is "sixty-one million, twenty thousand, nine hundred thirty-eight".

Divisors: 1 2 11 22 2773679 5547358 30510469 61020938