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420152826 = 2370025471
BaseRepresentation
bin11001000010110…
…000010111111010
31002021120222022210
4121002300113322
51330024342301
6105405155550
713261145232
oct3102602772
91067528283
10420152826
111a6190045
12b885bbb6
1369079452
143db2ccc2
1526d44ad6
hex190b05fa

420152826 has 8 divisors (see below), whose sum is σ = 840305664. Its totient is φ = 140050940.

The previous prime is 420152813. The next prime is 420152839. The reversal of 420152826 is 628251024.

It is an interprime number because it is at equal distance from previous prime (420152813) and next prime (420152839).

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

420152826 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 420152793 and 420152802.

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, 35012730 + ... + 35012741.

It is an arithmetic number, because the mean of its divisors is an integer number (105038208).

Almost surely, 2420152826 is an apocalyptic number.

420152826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

420152826 is a wasteful number, since it uses less digits than its factorization.

420152826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70025476.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 420152826 is about 20497.6297654143. The cubic root of 420152826 is about 748.9780605967.

The spelling of 420152826 in words is "four hundred twenty million, one hundred fifty-two thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 70025471 140050942 210076413 420152826