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961389701 = 29311099811
BaseRepresentation
bin111001010011011…
…010010010000101
32111000000122201222
4321103122102011
53432103432301
6235221530125
732552451266
oct7123322205
92430018658
10961389701
11453752348
12229b73945
1312423c05c
149197a96d
155960631b
hex394da485

961389701 has 16 divisors (see below), whose sum is σ = 1036147200. Its totient is φ = 889963200.

The previous prime is 961389679. The next prime is 961389713. The reversal of 961389701 is 107983169.

It is not a de Polignac number, because 961389701 - 222 = 957195397 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961389761) 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, 93086 + ... + 102896.

It is an arithmetic number, because the mean of its divisors is an integer number (64759200).

Almost surely, 2961389701 is an apocalyptic number.

It is an amenable number.

961389701 is a deficient number, since it is larger than the sum of its proper divisors (74757499).

961389701 is a wasteful number, since it uses less digits than its factorization.

961389701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9980.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 961389701 is about 31006.2848629113. The cubic root of 961389701 is about 986.9606137493.

The spelling of 961389701 in words is "nine hundred sixty-one million, three hundred eighty-nine thousand, seven hundred one".

Divisors: 1 29 31 109 899 3161 3379 9811 97991 284519 304141 1069399 8820089 31012571 33151369 961389701