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1420470642 = 231051225257
BaseRepresentation
bin101010010101010…
…1010100101110010
310122222212101101210
41110222222211302
510402120030032
6352541340550
750125541553
oct12452524562
93588771353
101420470642
11669900688
12337867756
13198398196
14d692032a
1584a8a2cc
hex54aaa972

1420470642 has 16 divisors (see below), whose sum is σ = 2843656992. Its totient is φ = 473037600.

The previous prime is 1420470587. The next prime is 1420470671. The reversal of 1420470642 is 2460740241.

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, 106323 + ... + 118934.

It is an arithmetic number, because the mean of its divisors is an integer number (177728562).

Almost surely, 21420470642 is an apocalyptic number.

1420470642 is an abundant number, since it is smaller than the sum of its proper divisors (1423186350).

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

1420470642 is a wasteful number, since it uses less digits than its factorization.

1420470642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226313.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 1420470642 is about 37689.1316164223. The cubic root of 1420470642 is about 1124.1150286696.

The spelling of 1420470642 in words is "one billion, four hundred twenty million, four hundred seventy thousand, six hundred forty-two".

Divisors: 1 2 3 6 1051 2102 3153 6306 225257 450514 675771 1351542 236745107 473490214 710235321 1420470642