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1406335897 = 17231272223
BaseRepresentation
bin101001111010010…
…1111101110011001
310122000021021011201
41103310233232121
510340010222042
6351314354201
746564441441
oct12364575631
93560237151
101406335897
11661926a7a
12332b8b961
13195489625
14d4ac1121
15836e71b7
hex53d2fb99

1406335897 has 24 divisors (see below), whose sum is σ = 1573157376. Its totient is φ = 1250460288.

The previous prime is 1406335883. The next prime is 1406335969. The reversal of 1406335897 is 7985336041.

It is not a de Polignac number, because 1406335897 - 219 = 1405811609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406335807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6306328 + ... + 6306550.

It is an arithmetic number, because the mean of its divisors is an integer number (65548224).

Almost surely, 21406335897 is an apocalyptic number.

1406335897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1406335897 is a deficient number, since it is larger than the sum of its proper divisors (166821479).

1406335897 is a wasteful number, since it uses less digits than its factorization.

1406335897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1406335897 is about 37501.1452758446. The cubic root of 1406335897 is about 1120.3739973881.

The spelling of 1406335897 in words is "one billion, four hundred six million, three hundred thirty-five thousand, eight hundred ninety-seven".

Divisors: 1 17 23 127 223 391 2159 2921 3791 5129 16129 28321 49657 87193 274193 370967 481457 651383 3596767 6306439 11073511 61145039 82725641 1406335897