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1405650063 = 31249737493
BaseRepresentation
bin101001111001000…
…1000010010001111
310121221222102101110
41103302020102033
510334321300223
6351251543103
746555554066
oct12362102217
93557872343
101405650063
116614a8774
123328baa93
131952a93cc
14d49831dd
158360dd93
hex53c8848f

1405650063 has 8 divisors (see below), whose sum is σ = 1874400048. Its totient is φ = 937000064.

The previous prime is 1405650061. The next prime is 1405650131. The reversal of 1405650063 is 3600565041.

It is a Cunningham number, because it is equal to 374922-1.

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

It is a cyclic number.

It is not a de Polignac number, because 1405650063 - 21 = 1405650061 is a prime.

It is a super-2 number, since 2×14056500632 = 3951704199223807938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1405650063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405650061) 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, 18745 + ... + 56237.

It is an arithmetic number, because the mean of its divisors is an integer number (234300006).

Almost surely, 21405650063 is an apocalyptic number.

1405650063 is a deficient number, since it is larger than the sum of its proper divisors (468749985).

1405650063 is a wasteful number, since it uses less digits than its factorization.

1405650063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49993.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1405650063 is about 37491.9999866638. Note that the first 4 decimals coincide. The cubic root of 1405650063 is about 1120.1918418723.

The spelling of 1405650063 in words is "one billion, four hundred five million, six hundred fifty thousand, sixty-three".

Divisors: 1 3 12497 37491 37493 112479 468550021 1405650063