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8490061942 = 213669310559
BaseRepresentation
bin1111110100000110…
…00001000001110110
3210220200112211111121
413322003001001312
5114341423440232
63522243254154
7420251223115
oct77203010166
923820484447
108490061942
11366746721a
12178b37a35a
13a53c288bb
145a77d3c7c
1534a54dd97
hex1fa0c1076

8490061942 has 8 divisors (see below), whose sum is σ = 12736065600. Its totient is φ = 4244706744.

The previous prime is 8490061933. The next prime is 8490061963. The reversal of 8490061942 is 2491600948.

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

It is a super-2 number, since 2×84900619422 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127942 + ... + 182617.

It is an arithmetic number, because the mean of its divisors is an integer number (1592008200).

Almost surely, 28490061942 is an apocalyptic number.

8490061942 is a deficient number, since it is larger than the sum of its proper divisors (4246003658).

8490061942 is a wasteful number, since it uses less digits than its factorization.

8490061942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324230.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 8490061942 is about 92141.5321231420. The cubic root of 8490061942 is about 2040.0318736209.

The spelling of 8490061942 in words is "eight billion, four hundred ninety million, sixty-one thousand, nine hundred forty-two".

Divisors: 1 2 13669 27338 310559 621118 4245030971 8490061942