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61406803 = 1923831693
BaseRepresentation
bin1110101000111…
…1111001010011
311021112210022001
43222033321103
5111210004203
610032054431
71343643403
oct352177123
9137483261
1061406803
1131731927
1218694417
13c9503b3
148226803
1555ce91d
hex3a8fe53

61406803 has 16 divisors (see below), whose sum is σ = 68302080. Its totient is φ = 54942624.

The previous prime is 61406783. The next prime is 61406819. The reversal of 61406803 is 30860416.

It is a cyclic number.

It is not a de Polignac number, because 61406803 - 29 = 61406291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61406843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35425 + ... + 37117.

It is an arithmetic number, because the mean of its divisors is an integer number (4268880).

Almost surely, 261406803 is an apocalyptic number.

61406803 is a deficient number, since it is larger than the sum of its proper divisors (6895277).

61406803 is a wasteful number, since it uses less digits than its factorization.

61406803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 61406803 is about 7836.2492941458. The cubic root of 61406803 is about 394.5228506498.

The spelling of 61406803 in words is "sixty-one million, four hundred six thousand, eight hundred three".

Divisors: 1 19 23 83 437 1577 1693 1909 32167 36271 38939 140519 739841 2669861 3231937 61406803