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2429752640 = 26571084711
BaseRepresentation
bin1001000011010011…
…0001010101000000
320021100000020000112
42100310301111000
514434004041030
61041034010452
7114132361640
oct22064612500
96240006015
102429752640
111037594137
12579876a28
132c9505173
141909a6520
15e34a1a95
hex90d31540

2429752640 has 56 divisors (see below), whose sum is σ = 6612404352. Its totient is φ = 833057280.

The previous prime is 2429752613. The next prime is 2429752669. The reversal of 2429752640 is 462579242.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540116 + ... + 544595.

Almost surely, 22429752640 is an apocalyptic number.

2429752640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2429752640 is an abundant number, since it is smaller than the sum of its proper divisors (4182651712).

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

2429752640 is a wasteful number, since it uses less digits than its factorization.

2429752640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084735 (or 1084725 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 2429752640 is about 49292.5211365781. The cubic root of 2429752640 is about 1344.3758043007.

The spelling of 2429752640 in words is "two billion, four hundred twenty-nine million, seven hundred fifty-two thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 1084711 2169422 4338844 5423555 7592977 8677688 10847110 15185954 17355376 21694220 30371908 34710752 37964885 43388440 60743816 69421504 75929770 86776880 121487632 151859540 173553760 242975264 303719080 347107520 485950528 607438160 1214876320 2429752640