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194020670 = 25132714621
BaseRepresentation
bin10111001000010…
…00010100111110
3111112002021022202
423210020110332
5344132130140
631130311502
74544101634
oct1344102476
9445067282
10194020670
119a579668
1254b88592
133127283c
141baa7354
1512077915
hexb90853e

194020670 has 16 divisors (see below), whose sum is σ = 349524288. Its totient is φ = 77544480.

The previous prime is 194020669. The next prime is 194020679. The reversal of 194020670 is 76020491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194020679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5960 + ... + 20580.

It is an arithmetic number, because the mean of its divisors is an integer number (21845268).

Almost surely, 2194020670 is an apocalyptic number.

194020670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194020670 is a deficient number, since it is larger than the sum of its proper divisors (155503618).

194020670 is a wasteful number, since it uses less digits than its factorization.

194020670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15955.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 194020670 is about 13929.1302671775. The cubic root of 194020670 is about 578.9165962374.

The spelling of 194020670 in words is "one hundred ninety-four million, twenty thousand, six hundred seventy".

Divisors: 1 2 5 10 1327 2654 6635 13270 14621 29242 73105 146210 19402067 38804134 97010335 194020670