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4642491020 = 2251631424077
BaseRepresentation
bin1000101001011011…
…01100101010001100
3102222112122222102212
410110231230222030
534001434203040
62044400405552
7223021344146
oct42455545214
912875588385
104642491020
111a72624242
12a969168b8
1358ca7690b
143207dbc96
151c2887d65
hex114b6ca8c

4642491020 has 24 divisors (see below), whose sum is σ = 9809049264. Its totient is φ = 1845602496.

The previous prime is 4642491017. The next prime is 4642491023. The reversal of 4642491020 is 201942464.

It is an interprime number because it is at equal distance from previous prime (4642491017) and next prime (4642491023).

It is not an unprimeable number, because it can be changed into a prime (4642491023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708779 + ... + 715298.

It is an arithmetic number, because the mean of its divisors is an integer number (408710386).

Almost surely, 24642491020 is an apocalyptic number.

It is an amenable number.

4642491020 is an abundant number, since it is smaller than the sum of its proper divisors (5166558244).

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

4642491020 is a wasteful number, since it uses less digits than its factorization.

4642491020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424249 (or 1424247 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 4642491020 is about 68135.8277266814. The cubic root of 4642491020 is about 1668.2086065241.

The spelling of 4642491020 in words is "four billion, six hundred forty-two million, four hundred ninety-one thousand, twenty".

Divisors: 1 2 4 5 10 20 163 326 652 815 1630 3260 1424077 2848154 5696308 7120385 14240770 28481540 232124551 464249102 928498204 1160622755 2321245510 4642491020