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961241292 = 22321115715461
BaseRepresentation
bin111001010010110…
…110000011001100
32110222202010011100
4321102312003030
53432034210132
6235214423100
732551262514
oct7122660314
92428663140
10961241292
114536608a0
12229b01a90
131241b963b
149193c844
15595c737c
hex394b60cc

961241292 has 72 divisors (see below), whose sum is σ = 2667751632. Its totient is φ = 289411200.

The previous prime is 961241287. The next prime is 961241299. The reversal of 961241292 is 292142169.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (961241299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54442 + ... + 69902.

It is an arithmetic number, because the mean of its divisors is an integer number (37052106).

Almost surely, 2961241292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 961241292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333875816).

961241292 is an abundant number, since it is smaller than the sum of its proper divisors (1706510340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961241292 is a wasteful number, since it uses less digits than its factorization.

961241292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15639 (or 15634 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 961241292 is about 31003.8915621894. The cubic root of 961241292 is about 986.9098256817.

The spelling of 961241292 in words is "nine hundred sixty-one million, two hundred forty-one thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 157 198 314 396 471 628 942 1413 1727 1884 2826 3454 5181 5652 6908 10362 15461 15543 20724 30922 31086 46383 61844 62172 92766 139149 170071 185532 278298 340142 510213 556596 680284 1020426 1530639 2040852 2427377 3061278 4854754 6122556 7282131 9709508 14564262 21846393 26701147 29128524 43692786 53402294 80103441 87385572 106804588 160206882 240310323 320413764 480620646 961241292