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1420990202 = 21999737507
BaseRepresentation
bin101010010110010…
…1001011011111010
310200000211210002202
41110230221123322
510402233141302
6353000430202
750133134402
oct12454513372
93600753082
101420990202
1166a125a75
12337a78362
1319851a808
14d6a17802
1584b3e202
hex54b296fa

1420990202 has 16 divisors (see below), whose sum is σ = 2245979040. Its totient is φ = 672407568.

The previous prime is 1420990171. The next prime is 1420990211. The reversal of 1420990202 is 2020990241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19133 + ... + 56639.

It is an arithmetic number, because the mean of its divisors is an integer number (140373690).

Almost surely, 21420990202 is an apocalyptic number.

1420990202 is a deficient number, since it is larger than the sum of its proper divisors (824988838).

1420990202 is a wasteful number, since it uses less digits than its factorization.

1420990202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38525.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1420990202 is about 37696.0236895087. The cubic root of 1420990202 is about 1124.2520663512.

The spelling of 1420990202 in words is "one billion, four hundred twenty million, nine hundred ninety thousand, two hundred two".

Divisors: 1 2 19 38 997 1994 18943 37507 37886 75014 712633 1425266 37394479 74788958 710495101 1420990202