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61393103 = 1713925981
BaseRepresentation
bin1110101000110…
…0100011001111
311021112002111122
43222030203033
5111204034403
610031511155
71343555432
oct352144317
9137462448
1061393103
1131722602
12186884bb
13c9470a5
148221819
1555ca838
hex3a8c8cf

61393103 has 8 divisors (see below), whose sum is σ = 65474640. Its totient is φ = 57363840.

The previous prime is 61393093. The next prime is 61393181. The reversal of 61393103 is 30139316.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61393103 is a prime.

It is a super-2 number, since 2×613931032 = 7538226191937218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61393303) 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, 10628 + ... + 15353.

It is an arithmetic number, because the mean of its divisors is an integer number (8184330).

Almost surely, 261393103 is an apocalyptic number.

61393103 is a deficient number, since it is larger than the sum of its proper divisors (4081537).

61393103 is a wasteful number, since it uses less digits than its factorization.

61393103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26137.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 61393103 is about 7835.3751026993. The cubic root of 61393103 is about 394.4935088136.

The spelling of 61393103 in words is "sixty-one million, three hundred ninety-three thousand, one hundred three".

Divisors: 1 17 139 2363 25981 441677 3611359 61393103