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2420899894 = 271391244039
BaseRepresentation
bin1001000001001100…
…0000000000110110
320020201100110100001
42100103000000312
514424222244034
61040120141514
7113664211120
oct22023000066
96221313301
102420899894
111032597a16
1257690789a
132c772585a
1418d740210
15e2803a14
hex904c0036

2420899894 has 16 divisors (see below), whose sum is σ = 4179974400. Its totient is φ = 1030063464.

The previous prime is 2420899883. The next prime is 2420899913. The reversal of 2420899894 is 4989980242.

It is a super-2 number, since 2×24208998942 = 11721512593538422472, which 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 7 ways as a sum of consecutive naturals, for example, 620074 + ... + 623965.

It is an arithmetic number, because the mean of its divisors is an integer number (261248400).

Almost surely, 22420899894 is an apocalyptic number.

2420899894 is a deficient number, since it is larger than the sum of its proper divisors (1759074506).

2420899894 is a wasteful number, since it uses less digits than its factorization.

2420899894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244187.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 2420899894 is about 49202.6411282972. The cubic root of 2420899894 is about 1342.7410835705.

The spelling of 2420899894 in words is "two billion, four hundred twenty million, eight hundred ninety-nine thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 139 278 973 1946 1244039 2488078 8708273 17416546 172921421 345842842 1210449947 2420899894